Does this graph represent a function? why or why not?

a. no, because it is not a straight line.
b. no, because it fails the vertical line test.
c. yes, because it passes the vertical line test.
d. yes, because it passes the horizontal line test.

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Which function has the domain x> -11

Solve for x and y a x= 13.3 y= 16.7 b x= 23.3 y= 12.5 c x= 7.5 y= 16.7 d x=7.5 y= 12.5