Jessica and nancy are members of different video game libraries. jessica pays a membership fee of $40, and she pays $5 for every video game she rents. the following function shows the total amount of money, y, in dollars, that nancy pays for renting x number of video games: y = 4x + 30.

how many more dollars does jessica pay for a membership fee than nancy?

a. $1
b. $4
c. $10
d. $36