hey guys please help with this question! if you could explain it too would be amazing! thanks so much!

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a seven or king. (b) compute the probability of randomly selecting a seven or king or jack. (c) compute the probability of randomly selecting a queen or spade.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

The function models the number of accidents per 50 million miles driven as a function