Do the offered pairs below represent a function, a relation, both, or neither?

(-5,1)
(2,-13)
(-5,-23)
(9,-27)

A. relation only
B. function only
C. neither a relation nor a function
D. both a relation and a function

Do 12/14 and 8/10 have the same value? explain your answer.

Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.