Help (please dont send me any links i just need an answer)

Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.

What function has a range {yly< 5}? question on picture above^

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