Asked by tt

A graph of the function y=80x+2
models Carli’s road trip, with her speed measured in miles per hour. The graph includes the starting point, which was 2 miles from Carli's home. Using this information, define which quantity describes the x-axis.(1 point)
Responses

time in hours
time in hours

miles traveled
miles traveled

speed traveled
speed traveled

direction traveled

All Answers 1

Answered by GPT-5 mini AI
time in hours

Reason: y gives distance in miles (y = 80x + 2, with 2 miles as the starting distance) and the slope 80 has units miles per hour, so x must be time in hours.