Use the function below to complete the questions.
a. f(-1) =
b. f(1) =
c. f(2) =

Explain how you know.

What number completes the graph? Explain or show your reasoning.

Use the table and function to solve these questions.
a. f(2) =
b. f(4) =
c. f(-3) =

Explain or show your work.
Explain how to use a graph of the function f(x) to find f(3).