Asked by Allison

Let f(x)=x^2+5x-3.

Find f′(x) and find f′(1).

14 years ago

Answered by Allie

f'= 2x+5
F'(1) is 7

14 years ago

Answered by Allison

thanks allie but i need someone to show the work to how they got those answers too please :)

14 years ago

Answered by Ed

She found the derivative of the equation, and then simply plugged in a one for the (x) after it was in its derivative form.

14 years ago

Answered by Allison

yes I know that but I need to steps for how you find the derivative.

14 years ago

Answered by Steve

basically just the power rule:
y = x^n
y' = n*x^(n-1)

14 years ago

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