Mathematics, 26.10.2021 15:10 leannamat2106
Lionel uses two functions to model the costs of having a problem diagnosed and repaired by two appliance repair companies.
He models the cost, in dollars, of having Phil's Appliances handle the repair job, requiring x hours of labor, with function p. P(x) = 68 x + 81.
He models the cost of having Quality Electric handle the same repair with function 9: q(x) = 51x+ 90.
The function ___ represents the amount, in dollars, Lionel will save by having Quality Electric handle an x-hour repair instead of Phil's Appliances.
Lionel will save $___ if he uses Quality Electric for a repair needing 2 hours of labor.
Answers for blank #1
1. s(x)=17x-9
2. s(x)=17x+9
3. s(x)=17x+171
4. s(x)=119x+171
Answers for blank #2
1. 409
2. 205
3. 44
4. 18
5. 25
Answers: 2
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