Which of these are a function? a. (4,5) (4,6) (2,7)b. (2,1) (3,2) (9,1)c. (3,4) (4,3) (3,3)d. (1,2) (5,6) (4,6)

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Askate shop rents roller skates as shown on the table below. which graph and function models this situation?

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f