If y = 2x3 – 4x and , find when x = 1. Give only the numerical answer. For example, if = 3, type only 3.

2 answers

hey, honor student -- find what when x=1?
assume you mean
y = 2 x^3 - 4 x
dy/dx = 6 x^2 - 4

if x = 1
dy/dx = 6-4 = 2