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https://www.coursetutor.us/product/mat-144-topic-5-discussions-gcu/\n\nSelect one of the options below and create a linear equation to represent the monthly bill. When will the plans cost the same? Explain when each plan is a better option.\nOption 1: Plan A $39.99 for 200 min and $1.25 for each min after. Plan B $29.99 for 200 min and $1.50 for each min after.\nOption 2: Plan A $25.75 plus $.75 per min. Plan B $20.99 plus $1.00 per min\nOption 3: Plan A $39.99 plus $1.25 per min. Plan B $25.99 plus $1.75 per min\nOption 4: Plan A $45.99 for 400 min and $.50 for each min after. Plan B $49.99 for 400 min and $.40 for each min after\n \n

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mat 144 topic 5 discussions gcu https

MAT 144 Topic 5 Discussions GCU

https://www.coursetutor.us/product/mat-144-topic-5-

discussions-gcu/

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MAT 144 Topic 5 DQ 1

Select one of the options below and create a linear equation to represent the

monthly bill. When will the plans cost the same? Explain when each plan is a

better option.

Option 1: Plan A $39.99 for 200 min and $1.25 for each min after. Plan B

$29.99 for 200 min and $1.50 for each min after.

Option 2: Plan A $25.75 plus $.75 per min. Plan B $20.99 plus $1.00 per min

Option 3: Plan A $39.99 plus $1.25 per min. Plan B $25.99 plus $1.75 per min

Option 4: Plan A $45.99 for 400 min and $.50 for each min after. Plan B

$49.99 for 400 min and $.40 for each min after

MAT 144 Topic 5 DQ 2

In Chapter 1 of the text we looked at calculating a monthly payment for a

loan. A related formula is to calculate the amount accruing when regular

payments are made into an interest bearing account – often called the

Savings Plan formula.

(A is the accrued amount after t years of making regular payments, PMT, into

an account at interest rate, r%, compounded n times each year.)

a t pmt 1 r n n t 1 r n

A(t) = PMT·((1 + r/N)N·t– 1)/(r/N)

= PMT*((1 + r/N)^(N*t) – 1)/(r/N)

The second version is essentially in the form used in Excel

Suppose you want to buy a car and have decided that you can save $100 a

month. Using information from an internet source, determine the current

interest rate on savings accounts and use the information to answer the

following:

1.How much money will you have saved in a year’s time?

2.How much will be interest?

3.Why wouldn’t a linear model work here?

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