Question

If you have 2x - 4 list three input and their output values

Answer 1

Input x = 2:

2(2) - 4 = 0

Output x=2: 0

Input x=3:

2(3) - 4 = 2

Output x=3: 2

Input x=4:

2(4) - 4 = 4

Output x=4: 4

Answer 2

f(x)=2x-4
input values (x) 1, 2, 3
output values (y) -2, 0, 2