Which function is a quadratic function? O u(x) =x+ 3x^2-8
O vo)= 2x^2+ 8x^3+ 9x
O y() =+3x^2+3x^5+ 4
O zx) = 7x^2+ 2x-3

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

What is the result of the following division?