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

{(3, –1), (3, 0), (–3, 4), (3, 8)}

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

B. No; three range values exist for domain value 3.

C. Yes; three range values exist for domain value 3.

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

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?