# How do you find the intervals of increasing and decreasing using the first derivative given #y=x^4-32x+4#?

##### 1 Answer

May 1, 2017

#### Explanation:

For increasing

For decreasing

Hence

This can be seen by the graph of

graph{x^4-32x+4 [-56.6, 73.34, -59.57, 5.35]}