Please please help me

1. False. [tex]f'(c)=0[/tex] does not necessarily mean that [tex]f(c)[/tex] is a maximum or minimum. It could just as easily be a saddle point. For example, consider the function [tex]f(x)=x^3[/tex] with [tex]f'(x)=3x^2=0[/tex] when [tex]x=0[/tex], yet [tex]f(x)<0[/tex] for [tex]x<0[/tex] and [tex]f(x)>0[/tex] for [tex]x>0[/tex].

2. True. If [tex]f'(x)=0[/tex] for all [tex]x[/tex] in [tex](a,b)[/tex], then [tex]f[/tex] must be constant on that interval.

3. False. In order for the MVT to apply, [tex]f[/tex] must be continuous on the closed interval. But [tex]\dfrac1{x^2}[/tex] does not exist at [tex]x=0[/tex].

The first statement about f'(c)=0 implying a local maximum or minimum is true. The second statement that if f'(x)=0 on an interval implies the function is constant is also true. Lastly, the Mean Value Theorem cannot be applied to f(x) = 1/x² on the interval [-1, 1] because the function is not continuous at x=0.

True or false:

https://brainly.com/question/32512808

#SPJ3

Answer:

y=1/1 x+6

Step-by-step explanation:

y=mx+b

m=slope

b=y-intercept

the slope from one point to another is rise up one and go the the right one, therefore the slope of the line is 1/1.

The y-intercept is 6 which is shown on the graph

I would personally go w/ b or c

There is exactly one solution for this triangle, and the correct answer is:  b. 1 solution

To determine the number of solutions for the given triangle with angles A, C, and side c, we can use the Law of Sines, which states that in any triangle:

[tex]\[\frac{\sin(A)}{a} = \frac{\sin(B)}{b} = \frac{\sin(C)}{c}\][/tex]

 Given:

- Angle A = 90 degrees (since it is a right angle, we assume A is the right angle for the purpose of this solution)

- Angle C = 4 degrees

- Side c = 12 units (opposite to angle C)

Since angle A is 90 degrees, we know that this triangle is a right-angled triangle. In a right-angled triangle, the other two angles must add up to 90 degrees. We are given one of those angles, C, which is 4 degrees. Therefore, the third angle, B, which is opposite side b, can be calculated as:

[tex]\[B = 90^\circ - C = 90^\circ - 4^\circ = 86^\circ\][/tex]

 Now, we have all three angles: A = 90°, B = 86°, and C = 4°. The sum of angles in any triangle is 180 degrees, and in this case:

[tex]\[A + B + C = 90^\circ + 86^\circ + 4^\circ = 180^\circ\][/tex]

 This confirms that the angles are consistent with the angles of a triangle.

Next, we can find the length of side b using the Law of Sines:

[tex]\[\frac{\sin(B)}{b} = \frac{\sin(C)}{c}\][/tex]

[tex]\[\frac{\sin(86^\circ)}{b} = \frac{\sin(4^\circ)}{12}\][/tex]

Since 86° and 4° are acute angles and sine of an acute angle is unique, there will be a unique positive value for b. This means there is only one possible length for side b that will satisfy the conditions of the triangle.

 Therefore, there is exactly one solution for this triangle, and the correct answer is:

b. 1 solution

Answer:  [tex]\bold{B)\quad \dfrac{x-2}{x+1}}[/tex]

Step-by-step explanation:

[tex]\dfrac{x^2+5x-14}{x^2+8x+7}\\\\\\=\dfrac{(x+7)(x-2)}{(x+7)(x+1)}\\\\\\=\dfrac{x-2}{x+1}[/tex]

Answer:

Step-by-step explanation:

You might see this a bit easier if you change the 5/4 * pi into degrees.

pi/180 = 5/4*pi / x                   This is the proportion. Change 5/4 into a decimal

pi/180 = 1.25 *pi / x                 Cross multiply

x * pi = 1.25 pi * 180                Divide by pi

x = 1.25 * 180

x = 225 degrees.

The fraction of the area of the sector is angle/360

The fraction of the area  of the sector is 225/360  

The fraction of the area area of the sector is 5/8    Reduced.

225: 3*3*5*5

360 = 2*2*2*5*3 *3  

Cancel out the common factors

3 * 3 * 5

which leaves 5/8

Two

-3x^2 + 5x - 2 - 2x^2 + 4x + 2

- 5x^2 + 9x (the 2's cancel)

a = - 5

b = 9

c = 0

Answer:

$4501.51

Step-by-step explanation:

Because you're compounding annually, which is only once per year, you can use a simple formula:

[tex]A(t)=P(1+r)^{t}[/tex]

Filling in our info gives us

[tex]A(t)=3100(1+.055)^7[/tex]

Do the adding inside the parenthesis and then raise 1.055 to the 7th power to get

A(t)= 3100(1.454679161)

A(t)= $4509.51

Answer:

True

Step-by-step explanation:

The incentre is equally distant from the triangles 3 sides and like centroids is always inside the circle.

Answer:

the answr is a 240

Step-by-step explanation:

beacuse you have to desept the question

Answer:

240 is the answer

ANSWER

[tex]165.6 \degree[/tex]

EXPLANATION

The measure of arc AC corresponds to 22% + 24%=46%

The complete angle of the circle is 360°.

Therefore the measure of arc AC is

[tex] = \frac{46}{100} \times 360[/tex]

This simplifies to

[tex]165.6 \degree[/tex]

The correct answer is A.

Answer:

20

Step-by-step explanation:

The geometric mean of n numbers is the n-th root of their product. For two numbers, it is the square root of their product:

geometric mean = √(8·50) = √400 = 20

The answer is: 20

My work: √8*50 = √400 = 20

You have to take the square root of 8 multiplied by 50.  With that, you would get 400, which is still squared because you have to get the numbers inside of the square root to one number.  After that, you can now take the square root of the number that is inside of it, which in this case it is 400.  The square root of 400 is 20.

I hope this helps!

ANSWER

The radius is 25 inches

EXPLANATION

From the diagram, the radius of the circle is AC.

From the Pythagoras Theorem,

[tex] {r}^{2} = {7}^{2} + {24}^{2} [/tex]

[tex]r^{2} = 49 + 576[/tex]

Simplify

[tex]r^{2} = 625[/tex]

Take positive square root,

[tex]r = \sqrt{625} [/tex]

[tex]r = 25[/tex]

Hence the radius is 25 inches

Answer:

a) Acute

Step-by-step explanation:

   To clasify the triangle as Acute, Right, or Obtuse, we use the converse of the pythagorean theorem and see if c^2 is greater, less than, or equal to b^2+a^2.

So 16^2 ? 11^2 + 12^2

Since 11^2 +12^2 = 265 and 16^2 is 256, c^2 is less than b^2+a^2. So the triangle is acute.

Answer:

  a)  Acute

Step-by-step explanation:

If 11 and 12 were the legs of a right triangle, the length of the hypotenuse would be ...

  √(11² +12²) = √(121 +144) = √265 ≈ 16.3

The actual length of the longest side is shorter, so the opposite (largest) angle measure will be less than 90°. The triangle is acute.

Answer:

Step-by-step explanation:

0.24 is greater than 0.17, and therefore J's getting a strike next game is more likely.

The event that is more likely is Juanita gets a strike next game.

Probability is the likelihood that an event would occur. The probability the event occurs is 1 and the probability that the event does not occur is 0.

The probability that Juanita would have a strike is higher than that of Nina. Thus, it is more likely that  Juanita gets a strike next game.

To learn more about probability, please check: https://brainly.com/question/13234031

2880

Step-by-step explanation:

Final answer:

To find out how many minutes are in 222 days, multiply the number of days (222) by the number of hours in a day (24) and then by the number of minutes in an hour (60). The result is 319,680 minutes.

Explanation:

The student is asking how many minutes are in 222 days. We begin the conversion using the provided information:

There are 24 hours in 1 day

There are 60 minutes in 1 hour

Now, we just need to multiply the number of days by the number of hours in a day, and then by the number of minutes in an hour, to get our answer.

222 days × 24 hours/day × 60 minutes/hour = 319,680 minutes

There are 319,680 minutes in 222 days.

Answer:

6th bounce: 40%

Starting amount: 100%

Decay rate: 10%

Equation: 100% - 10% - 10% - 10% - 10% - 10% - 10% =

Step-by-step explanation:

100% - 10% - 10% - 10% - 10% - 10% - 10% = 40%. 40% is the answer.

Using an exponential function, it is found that on the 6th bounce, the ball bounces up 5.31 ft.

A decaying exponential function is modeled by:

[tex]A(t) = A(0)(1 - r)^t[/tex]

In which:

In this problem:

Then, the height after the nth bounce is given by:

[tex]A[n] = 10(0.9)^n[/tex]

After the 6th bounce, we have that:

[tex]A[6] = 10(0.9)^6 = 5.31[/tex]

On the 6th bounce, the ball bounces up 5.31 ft.

More can be learned about exponential functions at https://brainly.com/question/25537936

Answer:

To shrink the height it has to be shrunk by:

27 / x = 12

x = 2.25 times

The width would be 45 / 2.25 =

20 centimeters.

Step-by-step explanation:

Answer:

7.2 cm wide

Step-by-step explanation:

Set it up as a proportion.. (45/27) = (12/x)

Cross multiply and solve for x.

Consecutive numbers: 1, 2, 3, 4, 5.

As we can see it's the latest plus 1

So,

x, x + 1, x + 1 + 1, x + 1 + 1 + 1

x, x + 1, x + 2, x + 3 and so on

So it's x + 1.

For this case we have that by definition, a consecutive number is obtained by adding a unit to the previous one.

Example:

n, n + 1, n + 2, n + 3 ...

So:

If "x" is the first number of Ameekah, its second number to form a series of consecutive integers must be:

x + 1, that is, add "1" to the previous number.

Answer:

x + 1

Option B

Answer:

The measure of arc HD is 20°

Step-by-step explanation:

we know that

The measurement of the outer angle is the semi-difference of the arcs it encompasses.

In the triangle of the figure , the measure of the third  interior angle is equal to

180°-92°-38°= 50°

50°=(1/2)[(102+18)°-arc HD]

100°=[120°-arc HD]

arc HD=120°-100°=20°

Answer:

 arc HD = 20°

Step-by-step explanation:

Let point N be the point where secant RL intersect the circle, point M be the point of intersection for chords NL and KH, and point S be the vertex of the triangle formed by secants KH and RD.

It is given that m∠SRM = 38∘ and m∠RMS = 92∘. Use the Triangle Sum Theorem to determine m∠MSR.

m∠MSR = 180° − 92∘ − 38∘  = 50∘

It is also given that mPN = 18∘ and mNK = 102∘. So, mPK = 18∘ + 102∘ = 120∘.

If a tangent and a secant, two tangents, or two secants intersect in the exterior of a circle, then the measure of the angle formed is half the difference of the measures of its intercepted arcs. So,  

m∠MSR= 1 /2 (mPK − mHD)

Substitute the known values and solve for mHD.

50∘ = 1/2 (120∘ − mHD)

Multiply by 2.

100 = 120∘ − mHD

Simplify.

mHD = 20

Therefore, the measure of arc HD is 20∘.

D is the correct answer

the result of subtracting (5x + 3) from (9x - 7) is 4x - 10. Therefore, the correct option is C: 4x - 10.

To subtract (5x + 3) from (9x - 7), we need to distribute the negative sign to all the terms in (5x + 3) and then perform the subtraction term by term.

(9x - 7) - (5x + 3)

= 9x - 7 - 5x - 3

Now, combine like terms:

= (9x - 5x) + (-7 - 3)

= 4x - 10

So, the result of subtracting (5x + 3) from (9x - 7) is 4x - 10. Therefore, the correct option is C: 4x - 10.

Learn more about subtraction here

https://brainly.com/question/12526220

#SPJ2

Answer:

1

8

Step-by-step explanation:

What do we know:

John and George raked 7/8 of the yard.

John raked 3/4 of 7/8

What we need to know is:

How much did George rake?

How? Subtract the fractions given.

7 - 3

8 4

To do this we must make the denominator (bottom) number the same. How? Find the least common denominator for 8 and 4. Basically what is the lowest number that both 8 and 4 can be divided.

Answer is 8

8 divided by 8 is 1

4 divided by 8 is 2

so

7 - 3 ×2 6

8 4 ×2 = 8

7 _ 6 = 1

8 8 8 is how much George raked.

ANSWER

(1,4)

(-∞,-3)

EXPLANATION

The interval where a portion of the graph is below the x-axis is where the graph is negative.

From the graph , the curve is below the x-axis on the interval (-∞,-3). Hence the graph is negative on this interval.

Also the graph is below the x-axis on the interval (1,4). This is also another interval where the graph is negative.

Answer:

is this all apart of the answers or separate questions??

Step-by-step explanation:

1. B

2.C

3.C

4.A

5.D

Answer:

First Answer: y + 4 = -3(x - 3)

Second Answer: y - 5 = (-3/4)(x - 4)

Step-by-step explanation:

That answer was correct :)

Answer:

1. y + 4 = -3(x - 3)

2. Second Answer: y - 5 = (-3/4)(x - 4)

:)))

Answer:

Domain is all real numbers; Range is all numbers less than or equal to 0

Step-by-step explanation:

Domain covers x values, range covers y values.  The domain of an x^2 parabola, which is what this is, has a domain of all real numbers.  Meaning that while the branches of the function keep going up and up and up or down and down and down, the values of x will never stop growing.

The range here is indicative of the lowest y value to the highest that the function covers.  In this case, since the parabola is upside down, we have the highest to the lowest.  The highest that the function goes up the y axis is right at the origin, where y = 0.  Then it drops down into forever.  So the range is all values of y less than or equal to 0

The Domain of [tex]f(x)[/tex] is all the real numbers, and

The Range of [tex]f(x)[/tex] is  [tex]y\le0[/tex] or [tex]f(x)\le0[/tex]

The diagram shows the graph of the quadratic function

[tex]f(x)=-x^2[/tex]

The domain of [tex]f(x)[/tex] is all the real numbers, since the function has defined values for all real values of [tex]x[/tex].

The range of [tex]f(x)[/tex] is the set of values that [tex]f(x)[/tex] can assume. The square function has a range

[tex]\{y \text{ }|\text{ }y=x^2\text{ and }y\ge0\}[/tex] or the half-open interval [tex][0,\infty)[/tex].

This means that the negative of the square function will have the range

[tex]\{y \text{ }|\text{ }y=-x^2\text{ and }y\le0\}[/tex] or the half-open interval [tex](-\infty,0][/tex].

So, the domain of [tex]f(x)[/tex] is the open interval [tex](-\infty,\infty)[/tex] (all the real numbers), and the range of [tex]f(x)[/tex] is the half-open interval [tex](-\infty,0][/tex] (or, [tex]y\le0[/tex])

Learn more about function domain and ranges here: https://brainly.com/question/20207421

[tex]\bf \lim\limits_{x\to 3}~-x^2+6x-8\implies \lim\limits_{x\to 3}~-(3)^2+6(3)-8\implies 1[/tex]

Answer:

2///////////////////////////

Answer:

The angle of elevation is [tex]40.36\°[/tex]

Step-by-step explanation:

Let

[tex]\theta[/tex] ----> the angle of elevation

we know that

The tangent of an angle is equal to divide the opposite side to the angle by the adjacent side to the angle

we have that

[tex]tan(\theta)=\frac{85}{100}[/tex]

[tex]\theta=arctan(\frac{85}{100})=40.36\°[/tex]

Answer:

The measure of arc BC is 44°

Step-by-step explanation:

we know that

m arc AD+m arc DC+m arc BC+m arc AB=360° ----> by complete circle

substitute the given values and solve for m arc BC

98°+120°+m arc BC+98°=360°

m arc BC+316°=360°

m arc BC=360°-316°=44°

Answer:

Step-by-step explanation:

Answer:

  m∠QRS = 30°

Step-by-step explanation:

An inscribed angle has half the measure of the intercepted arc.

  (arc QS)/2 = 60°/2 = 30°

The measure of angle QRS is 30°.

Answer:

400 units³

Step-by-step explanation:

The volume (V) of the square pyramid is

V = [tex]\frac{1}{3}[/tex] area of base × height (h)

where h is the perpendicular height.

Consider the right triangle formed by a segment from the vertex to the midpoint of the base and the slant height ( the hypotenuse )

Using Pythagoras' identity on the right triangle

h² + 5² = 13²

h² + 25 = 169 ( subtract 25 from both sides )

h² = 144 ( take the square root of both sides )

h = [tex]\sqrt{144}[/tex] = 12

Area of square base = 10² = 100, hence

V = [tex]\frac{1}{3}[/tex] × 100 × 12 = 4 × 100 = 400

Answer:

s = 1.5

Step-by-step explanation:

10 + 2.375 = 12.375 = 8.85

12.375/8.25 = 8.25s/8.25

s = 1.5