The tanctoor t and gare dehied as follows:
\[
\begin{array}{l}
1: x+2 x+5 \\
9: x \rightarrow 4 t-3
\end{array}
\]
id Fird the cern pothe foncijon \( f \circ g \) ars ta domsin.
A) hed the carepatie funcion go fand bo domain.
(1) the resats of \( 4+\mathrm{q} \) found in part bab.
(ii) the funcolent \( f \) ard \( g \) seperaiebly.
Ducstlon 7 .
The functions f and \( g \) are ckinad by
\( f: \pi \mapsto \sqrt{1}=x^{3} \quad, \quad-1 \leqslant x \leqslant 1 \)
\( 9: x \rightarrow x^{2}+2, \quad \), \( \quad \) ER
(a) Express the compeshe function \( g \) of in the similar forr.
(1) 5eate, with reasons, whelher fog is defircd.
