(1)) What is another way to describe the above equation? \begin{tabular}{|l|}\hline (1) -8 and 8 are located at the same place on a number line. \\ (4) -8 and 8 are the same distance from 0 on the number line. \\ (4) -8 and 8 are equivalent. \\ (4) \( \quad 8 \) and 8 are positive integers. \end{tabular}

Simplify. \( 9^{\frac{3}{2}} \)

c) \( \sqrt[3]{729} \cdot 4^{2}-\sqrt{49} \cdot 5^{0} \cdot 1^{3} \)

1a. Calculate the next two terins of each of the following sequences \( \begin{array}{ll}\text { (a) } 11,8,5, \ldots & \text { (d) } 4,9,14, \ldots \\ \text { (c) } 3 \frac{1}{2}, 3 \frac{1}{2}, 7,5,10 \frac{1}{2}, \ldots & \text { (e) } 1,5,9,13, \ldots\end{array} \)

The retail flat rate in dollars for first-class mail weighing up to 5 ounces could be computed by the piecewise-constant function \( f \), where \( x \) is the number of ounces. (a) Evaluate \( f(1.1) \) and \( f(4) \). Interpret your results. (b) Sketch a graph of \( f \). What is the domain of \( f \) ? What is the range of \( f \) ?

c) \( 5^{0}= \)