Question

If k(x) =3x, then f'(x)=?​

Answer 1

If k(x) = 3x, then f(x) = 3x^2 + C, where C is a constant. Taking the derivative of f(x), we get:

f'(x) = d/dx (3x^2 + C)
= 6x

So, f'(x) = 6x.