Answer:
The answer is (A) 8x.
To find the answer, you want to use the formula y=mx+b
The pay can be Y & the hours/time can be X.
Also we can assume b is 0 because if we work 0 hours we should get 0 pay.
16 = 2x + 0
16/2 = x
x = 8
We know b is 0 and now x is 8 so we can plug it in.
y=8x