Question

im pretty sure its not a function.

http://media.apexlearning.com/Images/200708/03/a29778a4-6964-42cf-b298-0a2c0449eb0c.gif

Answer 1

Why?

Answer 2

its the same on both sides

Answer 3

That's called "symmetrical."

Answer 4

eggzackly

Answer 5

Functions can be symmetrical.

Answer 6

Consider the parabola.

Answer 7

so its true

Answer 8

What is true?

Answer 9

the function

Answer 10

Yes, it looks like a function.

But without an equation it's impossible to tell for sure.

Answer 11

In the graph of a function, there is only one point plotted for each value in the domain.