the cost for an exercise class depends on the number of people
ss depends on the number of people in the class. for a class
with only two people, each person will pay $12. for each addit
the cost per person decreases by 50¢.
erson in the class,
which quadratic function models the total cost for the class with x people?
a. f(x) = 2 + 13x
b. f(x)=-* + 14x
c. f(x)=–2x² + 13x
d. f(x) = -2x² + 14x