Answered: Determine which statements about these… | bartleby

Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter2: Equations And Inequalities

Section2.2: Applied Problems

Problem 10E

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10
15
hachel plans to buy a new cell phone for $200. She has two payment plan options represented
by the functions below. The functions show the remaining balance, y, on the cell phone after the
number of monthly payments, x.
Payment Plan A:
Payment Plan B:
y = 200 – 15x
%3D
200
160
120
80
40
1 2 3 4 5 6 7 *
# of monthly payments
Remaining Balance ($)

Determine which statements about these functions are
true. Select the THREE that apply.
U Both payment plans have a negative rate of
change.
U Payment Plan A has a greater initial balance.
U Payment Plan B will allow Rachel to pay off
the phone sooner than Plan A.

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