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land-line telephone. If the cost of a land-line phone is $59 per month plus $0.15 per minute for long distance calls, the following linear equation represents the monthly cost, C with x minutes of long distance: C = 0.15x + 59 a) The slope of this equation is _______ and means that for each minute of long distance conversation, per month, C increases ___________ cents. b) What is the monthly cost when no long distance calls are made? ____________________ c) What is the monthly cost when long distance calls total 72 minutes? _______________

land-line telephone. If the cost of a land-line phone is $59 per month plus $0.15 per minute for long distance calls, the following linear equation represents the monthly cost, C with x minutes of long distance: C = 0.15x + 59 a) The slope of this equation is _______ and means that for each minute of long distance conversation, per month, C increases ___________ cents. b) What is the monthly cost when no long distance calls are made? ____________________ c) What is the monthly cost when long distance calls total 72 minutes? _______________

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter12: Quadratic Functions
Section12.8: Joint And Combined Variation
Problem 8P
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A few people, myself included still pay for a land-line telephone. If the cost of a land-line phone is $59 per month plus $0.15 per minute for long distance calls, the following linear equation represents the monthly cost, C with x minutes of long distance: C = 0.15x + 59

a) The slope of this equation is _______ and means that for each minute of long distance conversation, per month, C increases ___________ cents.

b) What is the monthly cost when no long distance calls are made? ____________________

c) What is the monthly cost when long distance calls total 72 minutes? _______________

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