Which set of ordered pairs represents y as a function of x?
A {(0,0), (-1, 2), (-1,-2), (-2,4),(-2,-4)}
B {(0,0), (1, 1), (2, 4), (3,9), (3, 16)}
C {(0,0), (0, 1), (0, 2), (0, -1), (0, -2)}
D (0,0), (-1,-0.5), (-2,-1), (-3,-1.5),(-4,-2)}

Acollege is planning to construct a rectangular parking lot on land bordered on one side by a highway. the plan is to use 680 feet of fencing to fence off the other three sides. what dimensions should the lot have if the enclosed area is to be a maximum?

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

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