Question

Use the rule y = -x + 7 to fill in the blank.

If (-1, y) is on the graph, then y = a0.

Answer 1

y=8
because -(-1)+7= 1+7=8

Answer 2

If y = -x + 7, and (-1,y) is on the graph, then the following is true:  y=-(-1) + 7, or y=8.

Thus, y = a0 = 8.