f(x) = (-2x + 30)/8
f(3) = (-2(3) + 30)/8
y = (-6 + 30)/8
y = (24)/8
y = 3
f(-2) = (-2(-2) + 30)/8
y = (4 + 34)/8
y = (38)/8
y = 4.25
it's not A
f(1) = (-2(1) + 30)/8
y = (-2 + 30)/8
y = (28/8)
y = 3.5
f(-5) = (-2(-5) + 30)/8
y = (10 + 30)/8
y = 40/8
y = 5
B is one of the answers
f(-7) = (-2(-7) + 30)/8
y = (14 + 30)/8
y = 44/8
y = 5.5
f(-3) = (-2(-3) + 30)/8
y = (6 + 30)/8
y = 36/8
y = 4.5
C is one of the answers
f(7) = (-2(7) + 30)/8
y = (-14 + 30)/8
y = 16/8
y = 2
f(-1) = (-2(-1) + 30)/8
y = (2 + 30)/8
y = 32/8
y = 4
D is not an answer
f(7) = (-2(7) + 30)/8
y = (-14 + 30)/8
y = 16/8
y = 2
f(-1) = (-2(-1) + 30)/8
y = (2 + 30)/ 8
y = 32/8
y = 4
E is an answer
B, C , E are your answers