X Sarah, Gene, and Paul are proposing plans for a class fundraiser. Each presents
his or her proposal for the amount of money raised, y, for x number of
hours worked, in different ways.
Sarah's Proposal
Gene's Proposal
Paul's Proposal
y
90
Hours Money
y = 10x + 7
80
Worked Paised
6
70
5
42
60
50
X2 10
77
40
15 112
20
20
20 147
10
0
0 1 2 3 4 5 6 7 8 9
Rate
M2
ART A
initial
Ostwo
Os On
Are each of the proposals represented by linear functions? Explain.