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 (–infinity, 0].
The function is increasing over the interval (–infinity, infinity).