Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 7 - Algebra: Graphs, Functions, and Linear Systems - 7.1 Graphing and Functions - Exercise Set 7.1 - Page 419: 76

Answer

The football’s height is 5 feet and the distance from the quarterback at this point is 30 yards.

Work Step by Step

Consider the plot given in the graph. The coordinates at the point when a receiver catches the ball is: $R=\left( 30,5 \right)$. Here, the coordinates have two points. The first point indicates the unit on the horizontal axis and the second point indicates the unit on the vertical axis. The horizontal axis shows the distance of the football from the quarterback and the vertical distance show the football’s height above the ground. It shows that the football’s height is 5 feet and the receiver’s distance from the quarterback at this point is 30 feet. Hence, the football’s height is 5 feet and the distance from the quarterback at this point is 30 yards.
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