Use f(x) = 1 2 x and f -1(x) = 2x to solve the problems. f(2) = f−1(1) = f−1(f(2)) = f−1(−2) = f(−4) = f(f−1(−2)) =

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

Reflect the point (7,0) across the y-axis

Ahovercraft takes off from a platform. its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=−2x 2 +20x+48 what is the maximum height that the hovercraft will reach?