A math tutor charges a flat traveling fee plus an additional fee per hour of tutoring. The graph shows the linear
relationship between the number of hours spent tutoring and the total amount of money earned by the tutor,
including the traveling fee.
70-
D60
£50-
40
30
20-
10
1 2 3 4 5 6 7 X
Hours
Which statement is true?
O a The additional fee per hour of tutoring is $10.
Ob The traveling fee is $20.
Oc The traveling fee is $10.
Od The additional fee per hour of tutoring is $15.
Money Earned
