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The linear equation that can be used to calculate daily car rentals is f(x) = -20x + 320
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- Let the charge amount be y
- Let the amount per mile of the truck rent be x.
- If rent-An-SUV charges an $80 fee to rent a truck and $12 per mile, this can be expressed in coordinate form as (12, 80)
- Similarly, if another rental company charges a $150 fee to rent a truck and $8.50 per mile, this can also be written in a coordinate form as (8.50, 150)
The standard linear expression is given as f(x) = mx + b
- m is the rate of change
- b is the y- intercept
Get the rate of change;
Get the y-intercept;
80 = -20(12) + b
80 = -240 + b
b = 320
Get the required linear equation;
f(x) = mx + b
f(x) = -20x + 320
Hence the linear equation that can be used to calculate daily car rentals is f(x) = -20x + 320
Learn more on linear equation here: brainly.com/question/12788590