## Calculus (3rd Edition)

Published by W. H. Freeman

# Chapter 12 - Parametric Equations, Polar Coordinates, and Conic Sections - 12.1 Parametric Equations - Exercises - Page 603: 5

#### Answer

The arrows in the figures indicate the direction of motion.

#### Work Step by Step

(a) Since $y=x=t$, the graph is a straight line for \$-\infty

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