Q. 135 Motor home cost. The Robinsons r... [FREE SOLUTION]

91影视

Elementary Algebra

Lynn Marecek, MaryAnne Anthony-Smith

$Math Studyset 91影视 Explanations$ Math

2nd Edition 路 1240 pages

ISBN: 9780998625713

Chapter 4: Q. 135 (page 453)

Motor home cost. The Robinsons rented a motor home for one week to go on vacation. It cost them $594 plus $0.32 per mile to rent the motor home, so the linear equation $y = 594 + 0.32 x$ gives the cost, y , for driving x miles. Calculate the rental cost for driving 400, 800, and 1200 miles, and then graph the line.

Short Answer

Expert verified

The rental costs of motor home for driving 400, 800, and 1200 miles are $722, $850 and $978 respectively.
The graph is as follows,

Step by step solution

Step 1. Given information.

The cost of motor home is given by linear equation $y = 594 + 0.32 x$ for driving x miles.

Find the rental cost for driving 400, 800, and 1200 miles.
Graph the line.

Step 2. Explanation.

Make a table to draw the graph.

Let $x = 400$ ,

role="math" localid="1647400433723" $y = 594 + 0.32 x y = 594 + 0.32 (400) y = 722$

Let $x = 800$ .

$y = 594 + 0.32 x y = 594 + 0.32 (800) y = 850$

Let $x = 1200$

role="math" localid="1647400563063" $y = 594 + 0.32 x y = 594 + 0.32 (1200) y = 978$

Table becomes as follows,

x	y	$(x, y)$
400	722	$(400, 722)$
800	850	$(800, 850)$
1200	978	$(1200, 978)$

Step 3. Draw the graph.

Distance can not be negative. So domain of the function is $\{x | x 鈮� 0\}$ . The graph is as follows,

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91影视

Short Answer

Step by step solution

Step 1. Given information.

Step 2. Explanation.

Step 3. Draw the graph.

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