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Find the derivative of the function at the given numberf(x)=x^2 - 5 when x=3

User Rashedcs
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1 Answer

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21 votes

Given the function:


f(x)=x^2-5

We will find the derivative of the function using the exponent rule

so, the derivative of f(x) will be as follows:


f^(\prime)(x)=2x

We will find the value of the derivative when x = 3

so, substitute with x = 3 into f'(x)


f^(\prime)(3)=2\cdot3=6

So, the answer will be:

The derivative of the function at (x = 3) will be = 6

User Alex Montoya
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