Answer:
B
Step-by-step explanation:
You can try substitution of x and check y- values.
1) f(x)= x - 4, f(-3) = -3-4= -7 wrong
2)f(x)= x + 4, f(-3) = -3 + 4 = 1 true
3) f(x) = 4x , f(-3) = 4*(-3)= - 12 wrong
4)f(x) = -4 - x = -4 - (-3)= -1 wrong
So, we already have only one correct answer, B.
