3+1=h i beev this because you are adding the amount of adults to children then that would get you to h
Ind. number of people Dep. Cost, rate of change for adult 13$
B
Explanation:
A Variable is a symbol for a number we don't know yet. We don’t know the number of colors on the page.
If x=2, the line is just a straight, vertical line intersecting the x-axis at 2.