Chapter 12.1, Problem 20ES

(a)

To determine

To calculate: The value of the function $\left(f\circ g\right)\left(1\right)$ if $f\left(x\right)=x^2\text{+8}$ and $g\left(x\right)=\sqrt{x+17}$.

(b)

To determine

To calculate: The value of the function $\left(g\circ f\right)\left(1\right)$ if $f\left(x\right)=x^2\text{+8}$ and $g\left(x\right)=\sqrt{x+17}$.

(c)

To determine

To calculate: The value of the function $\left(f\circ g\right)\left(x\right)$ if $f\left(x\right)=x^2\text{+8}$ and $g\left(x\right)=\sqrt{x+17}$.

(d)

To determine

To calculate: The value of the function $\left(g\circ f\right)\left(x\right)$ if $f\left(x\right)=x^2\text{+8}$ and $g\left(x\right)=\sqrt{x+17}$