Chapter 8.4B, Problem 1A

To determine

a.

To describe:

The rule for the sets of ordered pairs $\left\{\left({}^{-}1,3\right),\left(0,0\right),\left(1{,}^{-}3\right),\left(3^{-\frac{1}{2}}{,}^{-}{3}^{\frac{1}{2}}\right)\right\}$ are functions.

To determine

b.

To describe:

The rule for the sets of ordered pairs $\left\{\left(5,0\right),\left(0,5\right),\left(5,10\right),\left(\sqrt{5},\sqrt{5}+5\right)\right\}$ are functions.

To determine

c.

To describe:

The rule for the sets of ordered pairs $\left\{\left(0,0\right),\left(\sqrt{3},3\right),\left(\sqrt{5},5\right),\left(\frac{1}{\sqrt{6}},\frac{1}{6}\right)\right\}$ are functions.