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sanaiajohnson56
11.07.2019 •
Mathematics
The first year in her apartment, sheena paid $600 a month in rent. each year after that, her rent was raised 10% over her previous year's rent. which of the following lists sheena's monthly rent for each of the first five years?
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Ответ:
So for this we will be using an exponential equation to help us find the values.
Since $600 was the initial rent value, 600 is the a variable.
And since the rent is increasing by 10%, add 0.1 (10% in decimal form) to 1, which the sum is 1.1. 1.1 is your b variable.
Putting our equation together, it's
, and since time is the independent variable you plug in the numbers into the x variable to solve (x = # of years after the initial year.)
Ответ:
The function representing the scenario is
and the amount earned after 10 hours is $ 390.
Step-by-step explanation: Given that Luigi is an independent contractor who charges a $140 fee plus $25 per hour for each contract with the city.
We are to write a function representing the scenario where y represents the total amount her charges for a project and x represents the number hours worked on a project.
Also, to find the amount earned after 10 hours of work.
The number of hours Luigi work on a project is represented by x.
So, the amount charged by Luigi for a project is given by
Since y represents the total amount charged by Luigi on a project, therefore we must have
Now, if Kuigi work for 10 hours, then we have
x = 10.
Therefore,
Thus, the function representing the scenario is
and the amount earned after 10 hours is $ 390.