Does the following relation on x and y make for a function of x? {(−10,9),(−6,4),(−9,9),(10,9)}
Yes, this relation describes a function of x.
No, this relation does not describe a function of x.

What is the distance between the points 4,10 and -3,-14 on the coordinate plane

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

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?