Answer:
Step-by-step explanation:
f(x) = (2x / 7) + 4.....change f(x) to y
y = (2x / 7) + 4.......switch ur x and y and solve for y
x = 2y/7 + 4....subtract 4 from both sides
x - 4 = 2y/ 7.....multiply by 7
7(x - 4) = 2y....divide by 2
7(x - 4) / 2 = y ........answer C
