Answer:
A
Step-by-step explanation:
Think of if someone asked you to find f(2). You would plug in 2 into the equation f(x) to find the y value at 2. You do the same thing with this problem, but instead plug in the equation.
f(
x + 3) = -2(
x + 3) + 7
= -x - 6 + 7
= -x + 1