The correct answer is B) The set of all first elements of the function. Let's say you had these three points on a graph of a function: (0.9), (2.6), (4,7). The domain of these three points would be (0,2,4). The domain is just the input for which the function is defined. Hope this helps.
Answer:
Let x be the total number of cupcakes.
Chocolate chips =

Strawberry =

Vanilla =

given


a)Number of Chocolate chip Cupcakes =

b)Number of Strawberry cupcakes =

You first need to change the percent into a decimal then multiply by 80 to get your answer
.35*80=28