### Home > A2C > Chapter Ch11 > Lesson 11.2.5 > Problem 11-106

11-106.

The graph of

*f*(*x*) =*x*^{2}− 3*x*− 4 is shown below. Use the graph to solve: Homework Help ✎*f*(*x*) = 0*f*(*x*) ≥ 0*f*(*x*) ≤ 0

Where on the graph is *y* = 0?

*x* = −1, *x* = 4

Where on the graph are the *y*-values greater than or equal to 0?

*x* ≥ 4 or *x* ≤ −1

See part (b).