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Find f(x). f(x) = = GE? f'(x) = 2 5x3 O f'(x) = 5x3 O f(x) = - 2 / 2 f'() 573

Find f(x). f(x) = = GE? f'(x) = 2 5x3 O f'(x) = 5x3 O f(x) = - 2 / 2 f'() 573-example-1

1 Answer

5 votes

we have

f(x)=1/5x^2

rewrite

f(x)=(1/5)x^-2

so

f'(x)=(1/5)(-2)x^-3

f'(x)=(-2/5)/x^3

therefore

first option is the answer

User Daniel Bank
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