3. Suppose the equations E(n) = 4000 + 500n and G(n) = 10,000+ 150n give the total cost of operating an electrical (E) versus a gas (G) heating/cooling system in a home for n years. (a) For E(n), what do the 4000 and 500 represent? (b) Find the cost of heating a home using electricity for 25 years. (c) Find the cost of heating a home using gas for 25 years. (d) Find the initial (or installation) cost for the gas system. (e) Determine how many years it will take before $21,000 has been spent in heat- ing/cooling a home that uses: i. Electricity (Show how you solved this) 101 NO ii. Gas (Show how you solved this) othe diw) M 16 ID S
3. Suppose the equations E(n) = 4000 + 500n and G(n) = 10,000+ 150n give the total cost of operating an electrical (E) versus a gas (G) heating/cooling system in a home for n years. (a) For E(n), what do the 4000 and 500 represent? (b) Find the cost of heating a home using electricity for 25 years. (c) Find the cost of heating a home using gas for 25 years. (d) Find the initial (or installation) cost for the gas system. (e) Determine how many years it will take before $21,000 has been spent in heat- ing/cooling a home that uses: i. Electricity (Show how you solved this) 101 NO ii. Gas (Show how you solved this) othe diw) M 16 ID S
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.1: Adding And Subtracting Polynomials
Problem 44PPS
Related questions
Question
Transcribed Image Text:3. Suppose the equations E(n) = 4000 + 500n and G(n) = 10,000+ 150n give the total
cost of operating an electrical (E) versus a gas (G) heating/cooling system in a home
for n years.
(a) For E(n), what do the 4000 and 500 represent?
(b) Find the cost of heating a home using electricity for 25 years.
(c) Find the cost of heating a home using gas for 25 years.
(d) Find the initial (or installation) cost for the gas system.
(e) Determine how many years it will take before $21,000 has been spent in heat-
ing/cooling a home that uses:
i. Electricity (Show how you solved this)
101
NO
ii. Gas (Show how you solved this)
othe
diw)
M
16
ID S
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