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zloy xaker [14]
3 years ago
9

What is the average rate of change for this quadratic function for the interval from x =3 to x = 5

Mathematics
1 answer:
Mrrafil [7]3 years ago
5 0

Answer:

A

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

here [ a, b [ = [ 3, 5 ]

From the table

f(b) = f(5) = - 26

f(a) = f(3) = - 10

Hence average rate of change

= \frac{-26-(-10)}{5-3} = \frac{-16}{2} = - 8 → A

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sladkih [1.3K]

Answer:

3.3

Step-by-step explanation:

4 0
3 years ago
Multiplying 2×1 3/7 is equal to how much
Advocard [28]

Answer:

20/7 or 2 and 6/7

Step-by-step explanation:

This equation works out to 2/1 • 10/7, which we can easily see equals 20/7, or 2 and 6/7, by multiplying the numerators and denominators.

5 0
3 years ago
A circle is shown. 2 raddi are drawn. A chord connects the points of the radii on the circle to each other to form a triangle. T
iragen [17]

Answer:

(5\pi-11.6)ft^2

Step-by-step explanation:

Given:

Length of radius of circle = 5 feets

Length of perpendicular bisector = 4 feets

To find:

Area of the shaded portion of the circle

Solution:

As OD is perpendicular bisector of AB,

AB=2AD=2(2.9)=5.8\,\,feets

\angle ODA=90^{\circ}

Area of \Delta AOB = 1/2 (base) × (height) = \frac{1}{2}\times 4\times 5.8=11.6  square feets

Area of sector AOBC = \frac{\angle AOB}{360^{\circ}}\pi(r^2)=\frac{72^{\circ}}{360^{\circ}}\pi(5^2)=5\pi  square feets

Here, r denotes radius of circle

So,

Area of shaded portion = Area of sector AOBC - Area of \Delta AOB = (5\pi-11.6)ft^2  

Download pptx
3 0
3 years ago
Can anyone tell me how to solve this with step by step and show work
dlinn [17]
Answer is A and C
Imagine your square has an area of 64,
That means it’s sides are 8 x 8
So only rectangles that are 8inches x 8 inches or less will fit. A and C have these dimensions, they will fit. The other two will not. See my attachment, the green rectangle must fit inside the 8 x 8 square.

7 0
2 years ago
Some people advise that in very cold​ weather, you should keep the gas tank in your car more than half full. Lou​'s car had 5.9
max2010maxim [7]

Answer: $26.98


Step-by-step explanation:

1. You have the following information given in the problem above:

 - Lou filled the tank with gas that cost ​$3.80 per gallon.

-   Lou​'s car had 5.9 gallons in the 13​-gallon tank.

2. Therefore, if he filled the tank, you can calculate the total amount of money Lou spent, by subtracting 13 gallons and 5.9 gallons and multiplying the result by ​$3.80.

3. Then, the result is:

total=(13-5.9)(3.80)\\total=(7.1)(3.80)\\total=26.98

5 0
3 years ago
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