The cost of a car, in dollars, t years after its purchase is $20,000 - $3,000t. which statement is correct? a. the cost of the car depreciates every year by $3,000. b. the cost of the car depreciates every year by $20,000. c. the cost of the car increases every year by $3,000. d. the cost of the car increases every year by $20,000.

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

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.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3