When f is defined by f(x) = sqrt(x) , find a so f'(a) is two times the value of f'(4).

asked Nov 26, 2017 70.1k views

5 votes

When f is defined by
f(x) = sqrt(x) ,
find a so f'(a) is two times the value of f'(4).

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1 vote

After all calculations you will get this
(1)/(2 √(vectora)) = (1)/(2)

. Then find a. a is the key and it's equals to 1. This is your answer.

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