The function f(x) = –0.3(x – 5)2 + 5 is graphed. What are some of its key features? Check all that apply. The axis of symmetry is x = 5. The domain is {x| x is a real number}. The function is increasing over (–∞, 5). The minimum is (5, 5). The range is {y| y ≥ 5}.

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true