chris has a large collection of hockey cards and wants to get of rid of some of his hockey cards. he gives two away on day 1, four away on day 2, and eight away on day 3. he continues this pattern for 10 days.

which statement describes why this sequence is a function?

what is each answer. (this can be more than one answer)

a. the graph of this sequence would pass the vertical line test.

b. each amount of hockey cards corresponds to a unique day in this sequence.

c. the graph of this sequence would pass the horizontal line test.

d. each day corresponds to a unique amount of hockey cards in this sequence.

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.