Answer
(a) $f(2)=15$
(b) $f(-1)=10$
Work Step by Step
(a) In the mapping, the domain element $2$ is paired with $15$ in the range. Therefore, $f(2)=15$.
(b) In the mapping, the domain element $-1$ is paired with $10$ in the range. Therefore, $f(-1)=10$.
