Graph the function y = x2 - 2. Which key features describe the function? Check all that apply. The point (1.414, 0) is an x-intercept.
The point (-2, 0) is the y-intercept.
The point (0, -2) is the maximum.
The function is decreasing over the interval (- 0, 0].
The function is increasing over the interval (-a, o).