SOLUTION: Find the derivative of f(x) = 12x2 + 8x at x = 9. 256 -243 288 224

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Question 1138511: Find the derivative of f(x) = 12x2 + 8x at x = 9.
256

-243

288

224
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

the derivative of f%28x%29+=+12x%5E2+%2B+8x at x+=+9
f'%28x%29 =2%2A+12x+%2B+8
f'%28x%29 =24x+%2B+8
at x+=+9
f'%28x%29 =24%2A9+%2B+8
f'%28x%29 =224