10. Is the relation a function? Why or why not?

{(–8, –4), (–2, 0), (1, 3), (–2, 6)}

A. No; two range values exist for domain value –2.

B. No; the relation passes the vertical-line test.

C. Yes; only one range value exists for each domain value.

D. Yes; two range values exist for domain value –2.

In the triangle abc< angle c is a right angle. find the value of the trig function indicated. find tan a if a =12, b=5 a. 13/12 b. 12/13 c. 5/12 d.12/5

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

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.