Question

Use the following function rule to find f(-9).
f(x) = -5 - x
f(-9) =

Answer 1

f(-9) = 4

Explanation:

f(x) = -5 - x f(-9)

f(-9) = -5 -(-9)

f(-9) = -5 + 9

f(-9) = 4

So, the answer is f(-9) = 4