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22 votes
22 votes
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

User Bandhit Suksiri
by
2.6k points

2 Answers

6 votes
6 votes

Answer:

C. $2.50

Explanation:

x=1 y=5.5

x=2 y=2.5

User Alf Eaton
by
3.1k points
20 votes
20 votes
The answer is 5.50/mile because you ad 2.5x substrate that and you get it
User Sdespont
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2.7k points