Solve
-The Cost of Having a Car Towed Is Given $C ( x ) = 3 x + 45$

Multiple Choice

Solve.
-The cost of having a car towed is given by the linear function $C ( x ) = 3 x + 45$ , where $C ( x )$ is in dollars and $x$ is the number of miles the car is towed. Find the cost of having a car towed 15 miles.

A) $\$ 80$
B) $\$ 45$
C) $\$ 90$
D) $\$ 48$