The function c=1.50 (n-2) + 5.50

c = 1.50n + 2.50

Step-by-step explanation:

c=1.50 (n-2) + 5.50

The first step is to distribute the 1.5

c = 1.50*n - 1.50*2 + 5.50

c = 1.50n - 3.0 + 5.50

Now we need to combine like terms

c = 1.50n + 2.50