Question

College Algebra: reviewing for Final Exam!
If f(x)=x^2-9 and g(x)=x-3, then (f/g)(5)= ?

Answer 1

\[f(x)=x ^{2}-9\]
and
\[g(x)=x-3\]
then \[(\frac{ f }{ g })(5)\]

Answer 2

that was a record glitch just now for me.

Answer 3

Anyways, when you say, \(\Large\color{black}{ \frac{\color{red}{f}}{\color{blue}{g}}(x)}\),
you are basically saying,

\(\Large\color{black}{ \frac{\color{red}{x^2-9}}{\color{blue}{x-3}}(x)}\)

Answer 4

Yes

Answer 5

you can divide by (x-3) on top and bottom, (knowing how to factor the \(\large\color{black}{ x^2+9}\).
and then plug in 5 for x.

Answer 6

I mean -9, not +9. ***

Answer 7

\(\Large\color{black}{ \frac{\color{red}{f}}{\color{blue}{g}}(x)=\frac{\color{red}{x^2-9}}{\color{blue}{x-3}}}\)

Answer 8

Like this correct?