Question

The function y = 2.5x + 3 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?

$5.50/mile
$1/mile
$3/mile
$2.50/mile

Answer 1

C. $2.50

Explanation:

x=1 y=5.5

x=2 y=2.5

Answer 2

The answer is 5.50/mile because you ad 2.5x substrate that and you get it