. When purchasing a cell phone, a customer has a choice of 2 phone plans. Plan 1: Plan 2: • Pay $25 a month • Pay 10 cents a minute up to 30 minutes ● Pay 8 cents a minute for all minutes over 30 Complete the table: Minutes 0 Plan 1 Plan 2 10 20 30 60 Pay 20 cents a minute for up to 120 minutes Pay 15 cents a minute for all minutes over 120 100 120 180 Write piecewise functions for plan 1: f(t) and plan 2: g(t) and graph both. 300

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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2. When purchasing a cell phone, a customer has a choice of 2 phone plans.
Plan 1:
Plan 2:
Pay $25 a month
Pay 10 cents a minute up to 30 minutes
Pay 8 cents a minute for all minutes over 30
Complete the table:
Minutes 0
Plan 1
Plan 2
10
20
30
60
Pay 20 cents a minute for up to 120 minutes
Pay 15 cents a minute for all minutes over 120
100
120
Write piecewise functions for plan 1: f(t) and plan 2: g(t) and graph both.
y
50
40
30
20
10
30
What is your recommendation for the best (cheapest) plan and why?
180
men 21q
60
90
120
150
300
12
180
210 240
270
300-1
Transcribed Image Text:2. When purchasing a cell phone, a customer has a choice of 2 phone plans. Plan 1: Plan 2: Pay $25 a month Pay 10 cents a minute up to 30 minutes Pay 8 cents a minute for all minutes over 30 Complete the table: Minutes 0 Plan 1 Plan 2 10 20 30 60 Pay 20 cents a minute for up to 120 minutes Pay 15 cents a minute for all minutes over 120 100 120 Write piecewise functions for plan 1: f(t) and plan 2: g(t) and graph both. y 50 40 30 20 10 30 What is your recommendation for the best (cheapest) plan and why? 180 men 21q 60 90 120 150 300 12 180 210 240 270 300-1
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