Which set of ordered pairs represents a function? O{(-5,-4), (-4, -7), (-4,-4), (2,3)}
o {(-1,6), (8,-5),(-3,-5), (3, -6)}
O {(8,0), (-6,8), (-8,4), (-6,7)}
O {(4,5), (-6,4), (7,-6), (4, 2)}

"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?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?