Kimberley wants to plot a graph to show the prices of different numbers of skateboards. She has to plot the following points:
(1, 49.99), (2, 99.98), (3, 149.97), (4, 199.96)
Which of the following best describes how the x-axis should be labeled?
Choices:
a) From 0 to 6 at intervals of 3
b) From 0 to 8 at intervals of 4
c) From 0 to 3 at intervals of 1
d) From 0 to 5 at intervals of 1
