Chapter 1.2, Problem 13E

To determine

To calculate: The missing values in the following table and then complete it.

	$g\left(x\right)$	$f\left(x\right)$	$\left(f\circ g\right)\left(x\right)$
a.	$x-7$	$\sqrt{x}$	$?$
b.	$x+2$	$3x$	$?$
c.	$?$	$\sqrt{x-5}$	$\sqrt{x^2-5}$
d.	$\frac{x}{x-1}$	$\frac{x}{x-1}$	$?$
e.	$?$	$1+\frac{1}{x}$	$x$
f.	$\frac{1}{x}$	$?$	$x$