If f(x) and g(x) are inverse functions, which statement must be true? a. f(g(x))=1 b. f(g(x))=x c. f(x)=1/g(x) d. f(x)=-g(x)

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.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Does the point (1, sqrt 7) lie on circle shown.