Posted by **Alexandra** on Tuesday, April 16, 2013 at 9:55pm.

Evaluate each of the following. Show all your calculations.

a) f'(3) if f(x) = x^4 − 3x

b) f' (−2) if f(x) = 2x^3 + 4x^2 − 5x + 8

c) f" (1) if f(X) = −3x^2 − 5x + 7

d)f" (−3) if f(x) = 4x^3 − 3x^2 + 2x − 6

e) f'(0) if f(x) = 14x^2 + 3x − 6

f)f" (4) if f (x) = x^5 + x^4 − x^3

g) f" (1/3) if f(x) = −2x^5 + 2x − 6

h) f′ (3/4)if f(x) = −3x^3 − 7x^2 + 4x − 11

- calculus (gr 12) -
**Reiny**, Tuesday, April 16, 2013 at 10:30pm
looks like a bit of homework-dumping to me.

I will do one of them.

f)

f(x) = x^5 + x^4 - x^3

f ' (x) = 5x^4 + 4x^3 - 3x^2

f '' (x) = 20x^3 + 12x^2 - 6x

then f '' (4) = 20(64) + 12(16) - 6(4) = 1448

They are all of a very eliminatory type , which you just have to know to start Calculus.

try the others.

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