Answer to Question #158940 in Calculus for effa

Question #158940

find "f'(3)" for"f(x) = x\u00b2 + 10x"

Expert's answer

"f(x)=x^2+10x"

"\\implies f'(x)=\\frac{d}{dx}(f(x))=\\frac{d}{dx}(x^2+10x)=2x+10"

And "f'(3)=2(3)+10=6+10=16"

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