Find f\' (x) for the following function. Then find f(9), f\'(0), and f-5) f(x)=

Question

Find f' (x) for the following function. Then find f(9), f'(0), and f-5) f(x)= 8x2-1x Select the correct choice below and fil in the answer box within your choice, if needed Simplify your answer. if needed) O B. The answer is not a real number D C. The answer is undefined Select the correct choice below and fill in the answer box within your choice, if needed Simplify your answer.) B./The answer is not a real number D Githe ansver is undeinesd Select the correct choice below and ilin the answer box withio your choice if needed

Explanation / Answer

given f(x)=8x2-1x

differentiate with respect to x , d/dx xn =nxn-1

f '(x)=8*2x-1*1

f '(x)=16x-1

f '(9)=16*9 -1

f '(9)=144-1

f '(9)=143

f '(0)=16*0 -1

f '(0)=0-1

f '(0)=-1

f '(-5)=16*(-5) -1

f '(-5)=-80-1

f '(-5)=-81

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