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 two hours of stops she’ll make. Using this information, define which quantity describes the x-axis.(1 point)

Question

Responses

miles traveled
miles traveled

speed traveled
speed traveled

direction traveled
direction traveled

time in hours

Answer 1

The x-axis represents "time in hours" in the function \( y = 80x + 2 \). This is because \( x \) typically represents the independent variable, which in this context is the time Carli spends driving (including the stops). Therefore, the correct response is:

time in hours