Question

the graph of $y = f(x)$ and $y = 4$ is shown. what is the value of $x$ when $f(x) = 4?$
$x = \square$

Explanation:

Step1: Locate $y=4$ on the graph

Identify the horizontal dashed line $y=4$.

Step2: Find intersection with $y=f(x)$

Locate where $y=f(x)$ meets $y=4$. The intersection occurs at $x=3$.

Answer:

$x=3$