Jamaal bounces on a trampoline. His height, as a function of time, is modeled by y = -6x2 + 20x +4 Is this linear, nonlinear, some parts are linear and nonlear, or is there no enough information?

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).