All of this is wrong. Please look thru for mistakes.

Find Critical Points:

- root of is

What is the maximum and minimum?

Where is the interval increasing or decreasing?

For

Negative so decreasing

For

Positive so increasing

What is the inflection point?

Inflection Point

Where is the curve concave up, or concave down?

For

Negative so concave up

For

Positive so concave down