Answer:
(A) -16 is your answer
Step-by-step explanation:
let input = x, output = y
When x = -1
9(x) - 7 = y (is your equation)
Plug in -1 for x
9(-1) - 7 = y
Simplify. First, multiply 9 with -1
9(-1) = -9
Next, combine like terms
-9 - 7 = y
-16 = y
(A) -16 is your answer
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