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30. transportation the cost of riding in a cab is $3.00 plus $0.75 per …

Question

  1. transportation the cost of riding in a cab is $3.00 plus $0.75 per mile. the equation that represents this relation is y = 0.75x + 3, where x is the number of miles traveled and y is the cost of the trip. find and interpret f(17).

Explanation:

Step1: Substitute x value

Substitute $x = 17$ into $y=0.75x + 3$.
$y=0.75\times17+3$

Step2: Calculate multiplication

Calculate $0.75\times17$.
$0.75\times17 = 12.75$

Step3: Calculate addition

Calculate $12.75 + 3$.
$12.75+3=15.75$

Answer:

$f(17)=15.75$. This means that the cost of a 17 - mile cab ride is $15.75$.