Question

evaluate $f(2)$ from the graph.

Explanation:

Step1: Identify the function's slope

From the graph, when $x=5$, $y=6$. The line passes through $(0,0)$, so slope $m=\frac{6}{5}=1.2$. The function is $f(x)=\frac{6}{5}x$.

Step2: Substitute $x=2$ into the function

$f(2)=\frac{6}{5} \times 2$

Answer:

$\frac{12}{5}$ or $2.4$