In Exercises 714, find (a) a set of parametric equations and (b) if possible, a set of symmetric equations of the line that passes through the given points. For each line, write the direction numbers as integers. (There are many correct answers.)

Chapter 1: Sections 1-6 1.1 What is a Function A function is a rule that takes certain numbers as inputs and assigns to each a definite output number. Domain: the set of all input numbers Range: the set of all output numbers Independent Variable: input Dependent Variable: output Interval Notation: Closed Intervals: a ⦤ t ⦤b and is written [a,b] Open Intervals: a <...