Cheryl is taking her puppy to get groomed. One groomer. Fluffy Puppy, charges a once a year membership fee of $120 plus $10.50 per standard visit. Another groomer, Pristine Paws, charges a $5 per month membership fee plus $13 per standard visit. Let f(x) represent the cost of Fluffy Puppy per year and p(x) represent the cost of Pristine Paws per year. What does f(x)=p(x) represent?
a) the price of visiting the groomer without a membership
b) the total number of times you could visit either groomer
c) the number of visits for the price to be the same for either groomer
d) the difference in membership fees for a year