Does this set of ordered pairs represent a function? why or why not?

{(–2, 2), (–1, 2), (3, –1), (3, 1), (4, 11)}

a. yes, because there are two x-values that are the same.

b. no, because two of the y-values are the same.

c. yes, because every x-value corresponds to exactly one y-value.

d. no, because one x-value corresponds to two different y-values.

Which region represents the solution to the given system of inequalities? |-0.5x+y23 | 1.5x+ys-1 5 4 -3 -2 -1 1 2 3 4

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

Roy has 4 1/2 pizzas for the soccer team to split after the game. if each member is going to get 1/2 of a pizza, how many players are on the soccer team