Is the relation a function? Why or why not?
{(3,-1), (3,0), (-3, 4), (3, 8)}
No; three range values exist for domain value 3.
No; the relation passes the vertical line test.
Yes; only one range value exists for each domain value.
Yes; three range values exist for domain value 3.

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Me. i can't figure out this question. give an explanation too. .