Which is an example of a quadratic function whose graph is entirely above the x-axis?
a. y = x2
b. y = x2 − 5x + 6
c. y = x2 − 7x + 12
d. y = x2 + 2x + 2

On any given day, the number of users, u, that access a certain website can be represented by the inequality 1125-4530 which of the following represents the range of users that access the website each day? u> 95 or u < 155 95> u> 155 u< 95 or > 155 95

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

How can you construct perpendicular lines and prove theorems about perpendicular lines