Solve the Problem
-Using a Phone Card to Make a Long

Solve the problem
-Using a phone card to make a long distance call costs a flat fee of $\$ 0.79$ plus $\$ 0.17$ per minute starting with the first minute. What is an equation of the form $y=m x+b$ for this situation?

A) $y=0.17 x+0.79$
B) $y=0.79 x$
C) $y=0.17 x$
D) $y=0.79 x+0.17$