pacoburden02
18.05.2021 •
Mathematics
Khalil charges a constant hourly rate. When he babysits for 3 hours, he charges $37.50. When he babysits for 5 hours, he charges $62.50.
Create a table and equation to represent the amount of money that Khalil earns for babysitting as a function of time (in minutes). Then, graph your function on the next slide.
Write an equation to represent the amount of money that Khalil earns for babysitting as a function of time (in minutes).
What does the rate of change of your function tell us about Khalil?
What does the initial value of your function tell us about Khalil?
Create a table to represent the amount of money that Khalil has earned for babysitting as a function of time (in minutes).
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Ответ:
After 5 months, they would both have the same cost. If you were to cancel after 9 months, you would cancel $320 for the first option and $360 for the second option.
To solve this, you need to create an equation. You get $50+30x and let x=number of months. This would tell you how much you need to pay for option 1. In option 2, you would have $40x. This is because there is no setup fee and so there would only be the monthly cost.We then set thos equations both equal to each other because the first question asks for the options to be the same price. For the second question, you would need to substitute 9 for the x in those equations. That would have you find out which is more expensive.