A taxi driver charges a $2 fee plus an additional $4 per mile as shown by the graph. What is the cost of a 3-mile ride?
$1
$10
$12
$14

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18