find the value of $f(4)$.\n$y = f(x)$\nanswer attempt 1 out of 2

Explanation:

Step1: Locate x=4 on x-axis

Find the position $x=4$ on the horizontal axis.

Step2: Find corresponding y-value

Move vertically from $x=4$ to the graph of $y=f(x)$, then read the y-coordinate of that intersection point. <Expression>At $x=4$, the graph has a y-value of $-1$.</Expression>

Answer:

$-1$