Which of the following best explains why this relation is not a function? A The input includes 0.

B The input is mapped to the same value as the output.

C One input value is mapped to two different output values.

D Two different input values are mapped to the same output value.

What is x and y intercepts for y=x+7

Sarah took the advertising department from her company on a round trip to meet with a potential client. including sarah a total of 11 people took the trip. she was able to purchase coach tickets for $280 and first class tickets for $1280. she used her total budget for airfare for the trip, which was $6080. how many first class tickets did she buy? how many coach tickets did she buy?

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?