### Home > CALC > Chapter 5 > Lesson 5.1.2 > Problem 5-15

5-15.

Find the second derivative with respect to for each function.

This is the equation of a parabola. The 2nd derivative represents the concavity of the original equation.

Isconcave up, concave down or neither?

is a linear equation.represents its concavity.

Is a straight line concave up, concave down or neither?

Use the Power Rule.