Question

Which piecewise relation defines a function?

Answer 1

Answer:C on edg

Explanation:

just did the test

Answer 2

9514 1404 393

Answer:

see below

Explanation:

The relation is a function only if it is single-valued for all values of x.

A: doubly-defined at x = 4.

B: doubly-defined at x = 2

C: a function

D: doubly-defined on the interval (-5, -4]