Choose the definition for the function. -
A.
4x
2x + 2
if x < 0
if x > 0
В.
if x 50
if x > 0
2x + 2
(-x + 4
1-2x + 4
12x + 2
C.
2x - 2
1-4x - 4
if x 30
if x > 0
D
if x = 0
if x > 0
Enter

Awrestling tournament begins with 128 competitors. in the first round, each competitor has 1 match against another wrestler. the winner of each match moves on to the next round until there is a winner. write a sequence in which the terms represent the number of players still in the tournament at the end of each round. describe the sequence? how many rounds are in the tournament?

Can someone me do math because i am having a breakdown rn because i don’t get it

At the olympic games, many events have several rounds of competition. one of these events is the men's 100-meter backstroke. the upper dot plot shows the times (in seconds) of the top 8 finishers in the final round of the 2012 olympics. the lower dot plot shows the times of the same 8 swimmers, but in the semifinal round. which pieces of information can be gathered from these dot plots? (remember that lower swim times are faster.) choose all answers that apply: a: the swimmers had faster times on average in the final round. b: the times in the final round vary noticeably more than the times in the semifinal round. c: none of the above.