Sara, Nya, and Raul 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.
Sara's Proposal
80
70
ty
60
50
40
30
20
10
0
X
012345678
Nya's Proposal
Hours
Worked
5
10
15
20
Money
Raised
42
77
112
147
PART A
Are each of the proposals represented by linear functions? Explain.
Raul's Proposal
y= 10x + 7
8.F.1.2
PART B
Does the class have any money in the account now? How can you use the
domain or range to tell? 8.F.1.1
PART C
Describe the relationship between the independent variable and the
dependent variable for each proposal. 8.F.1.1
PART D
f Sara and her classmates are hoping to raise $200, which proposal do you
recommend that Sara and her classmates choose? Use domain or range to
explain why you recommend that proposal. 8.F.1.1