The tables show the functions to calculate the costs for a master plumber, Mch), and an apprentice, Ach),
depending on the number of hours, h, that it takes to
complete a job
h 2.75 3.25 4 4.5
Mh) 143 169 208 234
The total cost for work done by a crew of one master
plumber and one apprentice is the sum of the cents
for each member of the crew
Which table shows the total cost for various times
worked?
h
Ah)
2.75
93.5
3.25
110.5
4
136
4.5
153
n
Mh) Alm
2.75
46.75
55.25
4
68
765
2.75
MH) All)
325
585
4.5
81
72
h
MW) - Ah)
2.75 325
229 25282 75
348
3915