Differentiate the function f(x)=3-2x+4

Question

Differentiate the function f(x)=3-2x+4

Answer 1

With f(x) = 3 -2x + 4 = 7 - 2x, use the power rule on -2x¹ --> -2(1) x^1-1 = -2, because x⁰ is always the number 1. The derivative of a constant is always zero, so the answer is f'(x) = -2.