Home > INT3 > Chapter Ch12 > Lesson 12.2.2 > Problem12-103

12-103.

The graph of $f(x) = x^2 - 3x - 4$ is shown at right. Use the graph to solve: Homework Help ✎

1. $f(x) = 0$

Think of $f(x)$ as $y$.

2. $f(x) ≥ 0$

$x ≤ -1$ or $x ≥ 4$

3. $f(x) ≤ 0$