Sunday

December 21, 2014

December 21, 2014

Posted by **confused--please help** on Wednesday, December 12, 2012 at 8:37pm.

f(x)=x^3-8x+9 a. from -3 to -2

b. from -1 to 5

c. from 5 to 9

A. what is average rate of change of f(x)=x^3-8x+9 from -3 to -2?

B. what is the average rate of change of f(x)-x^3-8x+9 from -1 to 5?

C. what is the average rate of change of f(x)=x^3-8x+9 from 5 to 9?

Please show work

- calculus -
**drwls**, Wednesday, December 12, 2012 at 8:49pmHow about if someone shows you how to do one and you do the rest?

The average of f'(x) over an interval a to b is the area under the f'(x) curve, divided by (b - a).

That equals f(b) - f(a), because the area under f'(x) dx is the integral, f(x)

A. f(-2) - f(-3) = -8 +16 +9

-(-27) -24 -9 = ?

- calculus -
**confused--please help**, Wednesday, December 12, 2012 at 9:16pma. is the answer -6

- calculus -
**drwls**, Wednesday, December 12, 2012 at 10:51pmThat is not what I get adding the numbers I gave you, but maybe I made a mistake.

I get +11

**Answer this Question**

**Related Questions**

Calculus - for f(x)=-x^2 +1, which value is the largest magnitude? a) average ...

calculus - is average rate of change and average value the same or will you get ...

calculus - You are working as assistant to a major movie producer from Hollywood...

calculus (rate of change) - consider the function f(x)=x^2-6x+12 a. find the ...

Calculus - Let F(s)=5s2+5s+4 . Find a value of d greater than 0 such that the ...

calculus - Let F(s)=5s2+1s+4. Find a value of d greater than 0 such that the ...

Calculus Rate of Change - Find the average rate of change h(x)=2x^2-4 from x=2 ...

calculus - i'm not sure how to do this. can someone help, please? thanks! ...

---college algebra (average rate of change)--- - Find the average rate of change...

Math - Could someone help me with these questions, I don't know question c) and ...