Question

a rental store charges $2 per movie plus $5 membership fee per ,month. write a linear fuctions c n for the monthly cost for n moives ?
what is the cost for 8 movies in a mouth?

Answer 1

Let n be the number of movies. The monthly cost C(n) (in dollars) is
C(n) = 2n + 5.

For 8 movies:
C(8) = 2·8 + 5 = 16 + 5 = $21.