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Elena-2011 [213]
3 years ago
13

Given the function f(x) = x² + 3x - 2 What is the average rate of change for the function from 2 to 6? Show your work.

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
7 0

The average rate of change is 11

Explanation:

The given function is f(x)=x^{2}+3 x-2

We need to determine the average rate of change for the function from 2 to 6

The average rate of change can be determined using the formula,

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

where a=2 and b=6

Now, we shall determine the values of f(2) and f(6) by substituting the values for x = 2 and x = 6 in the function f(x)=x^{2}+3 x-2

Thus, we have,

f(2)=2^{2}+3 (2)-2

       =4+6-2

f(2)=8

Similarly, substituting x = 6, we get,

f(6)=6^{2}+3 (6)-2

       =36+18-2

f(6)=52

Hence, substituting these values in the formula \frac{f(b)-f(a)}{b-a} , we get,

\frac{f(b)-f(a)}{b-a}=\frac{52-8}{6-2}

Simplifying, we get,

\frac{f(b)-f(a)}{b-a}=\frac{44}{4}=11

Thus, the average rate of change for the function from 2 to 6 is 11

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3 years ago
I need help with this asap please !! find the value of X
elena-s [515]

Answer:

x = 11

Step-by-step explanation:

By using angle bisector theorem,

"Bisector of an angle divides the opposite side of the angle into two segments such that they are proportional to the other two sides.

\frac{AC}{CD}= \frac{AB}{BD}

\frac{8}{4}=\frac{x+3}{x-4}

8(x - 4) = 4(x + 3)

8x - 32 = 4x + 12

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Therefore, value of x is 11.

8 0
2 years ago
Georgia has a budget of $8 for a new notebook. She wants to spend within $5 of her budget, so she uses the equation 5 = |8 – x|
siniylev [52]

Answer:

Minimum: 3

Maximum: 13

Step-by-step explanation:

Georgia uses the equation

5 = |8 – x| to find the maximum and minimum values.

We solve the equation for x.

5 =  |8 - x|

By the definition of the absolute value function, we must have:

- 5 = 8 - x \: or \: 5 = 8 - x

We subtract 8 from both sides to get:

- 5 - 8 =  - x \: or \: 5 - 8 =  - x

- 13 =  - x \: or \:  - 3 =  - x

This simplifies to:

13 =  x \: or \:  3 = x

Therefore the minimum value is 3 and maximum is 13

5 0
3 years ago
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