Which function has an inverse that is also a function?
{(-1, -2), (0, 4), (1, 3), (5, 1), (7,4)}
{(-1,2), (0, 4), (1,5), (5, 4), (7, 2)}
{1,3), (0, 4), (1, 14), (5, 6), (7, 2)}
{(-1,4), (0, 4), (1, 2), (5,3), (7, 1);

where are the images of the functions i can only see the question you typed.

step-by-step explanation:

question: how many people can she serve?

answer: she can serve 16.66666667 people. so she can only give 16 people a complete serving.

question: does she have enough ice cream for her guests?

answer: no. explanation: she only has enough for 16 people to have a full serving. however, she can give a 17th person a partial serving.

b and c

step-by-step explanation: