Please help thank you!

Ihonestly have no clue if it's each or none.

Which statement best describes how to determine whether f(x) = x squared- x +8 is an even function ?

Of the 27 players trying out for the school basketball team, 8 are more than 6 feet tall and 7 have good aim. what is the probability that the coach would randomly pick a player over 6 feet tall or a player with a good aim? assume that no players over 6 feet tall have good aim. a. b. c. d.