The domain of a graph is all of the x-values of the graph. Since the graph looks like it continues and never ends, every single x value is included in the domain, thereby making all reals the correct answer
Yes. A monomial is a term composed by a coefficient and powers of variables multiplied with each other, for example

is a monomial.
In your case, the monomials are

As the name suggests, a trinomial is the sum of three monomials, which is exactly your case.
2 is in the ones place
3 is in the tenths place.
i gave the wrong answer on accdent so ignore this answer
G(x)=2x+3
x <span>≥ 1
g(x)=5
x is bigger then 1
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