# How do you find the instantaneous rate of change of #w# with respect to #z# for #w=1/z+z/2#?

##### 1 Answer

Sep 28, 2014

**Explanation :**

Initial set-up.

The derivative of a sum is equal to the sum of the derivatives.

First part: A function

Use of the **power rule**:

Multiplicative identity postulate.

A function written as