Answer to Question #41637 in Calculus for law

Question #41637

Differentiate with respect to
x: f(x)=(ax 3 +bx)

Expert's answer

Using the table of derivatives and the rule that the derivative of the sum equals the sum of derivatives we get
f'(x)=(ax^3+bx)'=(ax^3)'+(bx)'=3ax^2+b

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