Question

Answer please? Will medal, haha. Question attached.

Answer 1

Medal first.
lol, jk

Answer 2

Please help?

Answer 3

you want to see what numbers are not in the domain of:
\[f(g(x)) = f(x^2-7x) =\frac{1}{x^2-7x}\]
To do this, set the denominator equal to 0 and solve for x.

Answer 4

That doesn't give me 2 answers to separate with a comma.

Answer 5

\[x^2-7x = 0 \]
will give 2 answers.
\[x(x-7) = 0\]

Answer 6

Oh okay I see it thank you.