The function y = 3.75 + 1.5(x - 1) can be used to determine the cost in dollars for a taxi ride of x miles. What is the rate of change of the cost in dollars with respect to the number of miles?

Question

$4.25 per mile

$1.50 per mile

$3.75 per mile

$5.25 per mile

Answer 1

The rate of change of the cost in dollars with respect to the number of miles is the coefficient of x in the equation, which is 1.5. Therefore, the rate of change of the cost in dollars per mile is $1.50 per mile.