### Home > AC > Chapter 16 > Lesson 16.9.2.1 > Problem 9-67

9-67.

Complete the following. Homework Help ✎

Simplify

for *f*(*x*) =*x*^{2}+ 2*x*− 1.Explain what your answer represents on the graph of

*y*=*f*(*x*).

This is a slope expression.

9-67.

Complete the following. Homework Help ✎

Simplify

for *f*(*x*) =*x*^{2}+ 2*x*− 1.Explain what your answer represents on the graph of

*y*=*f*(*x*).

This is a slope expression.