Use the following table to calculate 3f(1/2x)-4 at x=-2

Question

Use the following table to calculate 3f(1/2x)-4 at x=-2

x: -3, -2, -1, 0, 1, 2, 3

f(x): 2, 3, 4, -1, 0, -2, 2

Answer 1

Just substitute 2 for x so this is 3(-1/4) -4

i will let you do the rest