Question

Which equation represents the graph?

A. n = C + 3.5
B. C = n + 3.5
C. n = 3.5C
D. C = 3.5n​

Answer 1

D. C=3.5n

Explanation:

From what you have as the answer choices, it looks like each cupcake costs $3.50. If that is true, than the explanation is-

The Cost(c) is the Number of Cupcakes(n) times how much each cupcake costs(3.5). So, C=3.5n.