Answered: 4x + 2y = 16 or y= -2r + 8 y=-2x + 8… | bartleby

Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter7: Analytic Trigonometry

Section7.6: The Inverse Trigonometric Functions

Problem 91E

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Question

4x + 2y = 16
y = -2r + 8
or
y = -2x + 8
only 5 points
on the graph
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01 2 3 4 5 6 7 8 9 x
Domain (r-values): 0, 1, 2, 3, 4
Range (y-values): 8, 6, 4, 2, 0
The domain is discrete because it consists
of only the numbers 0, 1, 2, 3, and 4.
y = -2x + 8
all points on
line segment
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5
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Domain (r-values): 0 < x 5 4
Range (y-values): 0 < y s 8
7 89 x
The domain is continuous because it
consists of all numbers from 0 to 4 on
the number line.

Both of these real-life situation can be modeled by the
equation 4x + 2y = 16. If we change that graph to
function form it is y = -2x + 8, but their graphs look
very different. Why do they look different? Are you
wondering anything?

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