The set of ordered pairs shown below is a relation that is a function of x. {(−3, 5)(−4, 7)(−6, 9) (−5, 11)}

Which ordered pair could be included in the set so that the relation remains a function of x?

A. (-5,15)
B. (-6,13)
C.(-9,7)
D.(-3,7)

Ineed with number 17 i don’t get it at alll

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Create a graph for the demand for starfish using the following data table: quantity/price of starfish quantity (x axis) of starfish in dozens price (y axis) of starfish per dozen 0 8 2 6 3 5 5 2 7 1 9 0 is the relationship between the price of starfish and the quantity demanded inverse or direct? why? how many dozens of starfish are demanded at a price of five? calculate the slope of the line between the prices of 6 (quantity of 2) and 1 (quantity of 7) per dozen. describe the line when there is a direct relationship between price and quantity.