Question

Differentiating a Logarithmic Function in Exercise, find the derivative of the function. See Examples 1, 2, 3, and 4.

f(x) = ln 7x

Answer 1

Answer: 1/x

Explanation:

U=7x

The derivative of 7x is:

du/dX=7

dy/dx = 1/u . du/dx

dy/dx= I/7x . 7

dy/dx= 7/7x

dy/dx= 1/x