$f(3) = 4$ is true.
Work Step by Step
RECALL: If $(a, b)$ is on the graph of the function $y=f(x)$, then $f(a) = b$. Thus, if $(3, 4)$ is on the graph of $y=f(x)$, then $f(3) = 4$.
You can help us out by revising, improving and updating this answer.Update this answer