(2 ea. \( _{\mathrm{pts}} \) 2. Let \( f(x)=4 x+1, g(x)=x^{2}-4 \), and \( h(x)=x+2 \). Evaluate and simplify the given expressions. Write your answers as expressions, or numbers, and not as equations. (a) \( h(3) \) (b) \( (f+g)(x) \) (c) \( (h-g)(x) \) (d) \( (f g)(x) \) (e) \( \left(\frac{f}{h}\right)(x) \) (f) \( (g \circ h)(x) \) (g) \( g(f(2)) \)

\( 1 \leftarrow \quad \begin{array}{r}\text { Solve the system of equations by the substitution method. } \\ \begin{aligned} x+y & =-2 \\ y & =-2 x\end{aligned}\end{array} \)

\( 1 \leftarrow \quad \begin{array}{l}\text { Solve the system of equations by the substitution method. } \\ \begin{aligned} 4 x+2 y & =-154 \\ x-5 y & =0\end{aligned}\end{array} \)

\( 1<\quad \begin{array}{r}\text { Determine whether the ordered pair }(4,5) \text { is a solution of the system. } \\ \begin{array}{r}3 x+2 y=2 \\ 2 x+y=3\end{array}\end{array} \)

What is the value of one third the determinant of \( \left[\begin{array}{cccc}2 & 3 & 0 & 11 \\ 3 & 5 & -1 & 10 \\ 0 & -6 & 2 & 4 \\ 2 & 4 & 7 & -5\end{array}\right] \) ?

/Evaluate \( :\left(\frac{4^{-8}}{8^{-4}}\right)^{3 / 4} \)