X=y2 is this equation a function?

Question

Princess Cooley

Mathematics

14 August, 12:14

X=y2 is this equation a function?

+1

Answers (2)

Know the Answer?

Yareli Knight · Answer 1

No it isn't because a function gives a y for every x

Easton Webster · Answer 2

No it isn't.

Step-by-step explanation:

A function gives just one

y

for every

x

.

In this case there will always be two

y

's for every

x

, because the reverse will be

y

=

+

√

x

or

y

=

-

√

x

Example:

x

=

4

→

y

=

-

2

or

y

=

+

2