Posted by **REALLY NEED HELP!!!!** on Wednesday, November 10, 2010 at 1:00am.

Given f''(x) = 4x - 3

and f'( -3) =2 and f( -3)=-1.

Find f'(x) =______

and find f( 1) =_____

- Math: Calculus -
**Reiny**, Wednesday, November 10, 2010 at 8:29am
y '' = 4x+3

y' = 2x^2 + 3x + C

when x = -3, y' = 2

2 = 18 - 9 + C

C = -7

so y' = 2x^2 + 3x - 7

then y = (2/3)x^3 + (3/2)x^2 - 7x + K

when x = -3, y = 1

take it from there by solving for K

- Math: Calculus -
**REALLY NEED HELP!!!!**, Wednesday, November 10, 2010 at 3:10pm
I don't know why but the answer is wrong.

## Answer This Question

## Related Questions

- Intergration: Measurement (Math) - I don't get it. I need to find out these ...
- social studies - the appalachian mountain extend north from the united states ...
- Calculus Help Please - let f(x)=(x-1)^2, g(x)=e^(-2x), and h(x)=1+ ln(1-2x) find...
- Spanish - Can someone plz fill in the blanks for me i can't find the cd and its...
- Math? - Hola i need help with this problem I got all confused with the letters A...
- math - factor down (4^3)^2 ____ * _____ ______ _______ ______*______ _____ ____ ...
- Grammar - Fill in the sentences with adverbs. Do not repeat. 1.______ my friend ...
- Math - I was wondering if I solved these problems right? Simplify the following...
- Geometry help - Points EC bisects points AD at C. For each of the following, ...
- 2nd Grade Math - Jordan spent $6.37 on a book and $1.23 on a magazine. How much ...

More Related Questions