19. A car is traveling with a constant speed of 80 kilometers per hour. Consider the variables of time (), measured in hours, and the distance traveled (d), measured in kilometers.
a. Fill in the table.
t (hours)
0
1
2
3
4
5
6
d (km)
b. Plot the points on the coordinate grid.
c. Write an equation that relates t and d.
d
500
400
d. Which of the two variables is the independent variable?
300
-200
1001
0