At an internet cafe, there is a flat fee to log into a computer and an additional charge for each
minute on the computer. The fee (in dollars) for
using a Mac for x minutes is given by
M=0.5+0.07x.
The charge for using a PC for x minutes is shown
in the graph below.
P
3.5
3
2.5
2
1+
0.5
3
? 23
Which kind of machine has a larger flat fee just
to log in?