A subway has the following fare: $2.00 per ride. Express the fare as a function of the number of times one rides the subway.

Question

a.
b.
c.
d.

Answer 1

The correct answer for a subway ride that each costs $2 is D.

If you plug in 1 subway ride for x, you get 2, 2 rides would be 4, 3 rides would be 6, etc.