Which statements describe the function ? Check all that apply.f(x) has one real zero because it crosses the x-axis once.f(x) has two real zeros because it crosses the x-axis twice.f(x) has real zeros at 1 and –1.f(x) has a real zero at 2.5.f(x) has x-intercepts at (1, 0) and (–1, 0).f(x) crosses the x-axis when x = 1 and x = –1.f(x) has an x-intercept at (2.5, 0).