Select the relations that are functions. (la, 1), (6, 1), (C, 1))
U ((a, a), (b, b), (c, c))
((1. a), (2, a),(3, a)
lla, a),(a, b),(a, c))

What is the value of x? enter your answer in the box. photo attached.

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

How is the number of vertices for a prism related to the name of the prism