Answer:
y = 30 + 35(x)
Explanation:
The complete question is as follows;
A rental car company offers a rental package for a midsize car. The cost comprises a fixed $30 administrative fee for the cleaning and maintenance of the car plus a rental cost of $35 per day. Using x for the number of days and y for the total cost in dollars, construct a function to model the relationship between the number of days and the total cost of renting a midsize car
Solution;
In this question, we are tasked with formulating a function to show the relationship between the total cost of the car rent-age and the number of days in which the car was rented
To construct a correct model, we have ti identify two things. Firstly, we need to identify the dependent variable and the independent variable. From the question, we can see that out of the two variables listed, it is the total cost of the car that is the dependent variable while the number of days is the independent variable.
This is because it is the total cost that depends on the number of days.
Hence, mathematically, by taking the other dependent factor which is constant into consideration, the equation we have formulated is below;
y = Administrative fee + rental cost(x)
Plugging the values from the question, we have;
y = 30 + 35(x)