Can someone plz help me with 2,3 and 4? i get the rest just not those three

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

Match the one-to-one functions with the graphs of their inverse functions.

Astandard deck of cards contains 52 cards. one card is selected from the deck. (a) compute the probability of randomly selecting a diamond or heart. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability of randomly selecting a diamond or heart or club. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability of randomly selecting queen or club. (type an integer or a decimal rounded to three decimal places as needed.)