Feel free to use the Unit 5A - Vocabulary - Cheat Sheet!
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Angela & Ben each have a monthly cell phone bill. Angela's monthly cell phone bill is represented by the graph. Ben's monthly cell phone bill is represented by the equation y = 0.15x + 49, where x represents the number of minutes and y represents the cost.
Included in the monthly cell phone bill is the cost per minute and the monthly fee.
Question 1
1.
What is the rate of change (slope) for Angela's plan?
Because we are using money ($) you will get a decimal here! (I am ok with fractions too :) )
Question 2
2.
What is the rate of change (slope) for Ben's plan?
Because we are using money ($) you will get a decimal here!
Question 3
3.
What is the initial value (y-intercept) for Angela's plan?
Question 4
4.
What is the initial value (y-intercept) for Ben's plan?
Question 5
5.
What would Angela's plan cost if she talked for 200 minutes this month?
Question 6
6.
What would Ben's plan cost if he talked for 200 minutes this month?
Question 7
7.
Create a function to represent Angela's cell phone plan.
Write the function (equation) for Angela's plan in y = mx + b form!
Question 8
8.
Who would have a more expensive plan after speaking for 100 minutes and by how much?
The person with the more expensive plan after speaking for 100 minutes would be _______ .
It would be $_______ more than the other person's plan.
