### Home > APCALC > Chapter 4 > Lesson 4.5.1 > Problem 4-178

4-178.

Using your graphing calculator, determine all relative maxima and minima points of inflection, and discontinuities of the curve

Careful!

Recall that a maximum (and a minimum) is defined as a -value, and that

*-value must exist.*

What does that mean about the maximum of

To find the minimum values and the point of inflection, you will need to examine and

*and then find their respective zeros. Remember that we are only considering the the domain*

Use the eTool below to solve the problem.

Click the link at right for the full version of the eTool: *Calc 4-178 HW eTool*