Question

For the above table:

x . 0.5 Y. 3 x.2 ,y 6, x 2, y 9 , x 2.5 y 12 , x 3, y 15
a. State the domain.

b. State the range.

c. Is this relation a function? Why or why not?

(2 points)

Answer 1

a) domain are the x's

so 0.5, 2, 2,2.5, 3

b) range is the y's so:

3, 6, 9, 12,15

c) it is not a function, since there are 2 x's that equal 2 but the 2 y's that go with them are different numbers (2,6) & (2,9)