Question

evaluate f(-2) with the given function: {(-2,1), (-8,9), (9,-8)}

Answer 1

F(-2) means they want the y value when c = -2

In the given function the numbers inside the parentheses are x first and y second.

One of the sets is (-2,1) this shows x at -2 and y at 1, so f(-2) = 1

Answer : 1