Question

Let f(x)=x^2+5 and g(x)=x+5 / x. find (gºf)(-3).

Answer 1

Is
\[
g(x) =\frac{x+5}x
\]
?

Answer 2

yes :3

Answer 3

first find f(-3)
\[
f(-3)=(-3)^2+5=14
\]

Answer 4

find now g(14)

Answer 5

Can you do that?

Answer 6

Not really, I'm half asleep right now. Would it be too much trouble to explain?

Answer 7

\[
g(14) = \frac { 14+5}{14}=\frac {19}{14}

\]

Answer 8

And that is your answer.

Answer 9

Whoa really? thank you so much.

Answer 10

YW