Question

Attach file, Can some one check my answer Please!

Answer 1

Neither exists. f(g(2)) does not exist, and g(f(-4)) does not exist.

Answer 2

What is oder pair?

Answer 3

An ordered pair is made up of two numbers that are related in some way. For example, every time you graph something and make a T-chart, you are getting ordered pairs.
Examples: (1, 4), (2, -4), etc.

Answer 4

can you write oder pair
fog= {(,),(,)}?
and
gof={(,),(,)} ?

Answer 5

Yes, you can write it like that.

Answer 6

my answer is correct?

Answer 7

Yes, that would be a valid way to express an answer.

Answer 8

fog = {(5,1),(8,9),(2,4),}
fog = {(5,4),(8,9),(2,1),}
2 way can exist or only one exsit?

Answer 9

\[(f \circ g)(2)=f(g(2))=f(-2)\]
There is no -2 in the domain of f, so
\[f \circ g\]does not exist

Answer 10

fog= none?

Answer 11

Yes. Same with gof