A graph showing the cost of a pizza and the number of toppings has the following points: (1,5) , (2,6) , (3,7) , (4,8) . Identify which number represents a dependent quantity on the graph.(1 point)
A. 7
B. 1
C. 4
D. 3
In this graph, the number of toppings is the independent variable and the cost of the pizza is the dependent variable. Therefore, the number 7 represents the dependent quantity on the graph.
So the correct answer is A. 7.