(b) Explain why the graph in the figure is not the graph of the function f. What must be done to the figure to make it an accurate graph of the function f? Choose the correct statement below [Select] A. The graph in the figure is not the graph of the function f because for some years there is more than one cost graphed. B. The graph in the figure is not the graph of the function f because functions cannot have sharp corners. C. The graph in the figure is not the graph of the function f because the horizontal lines make the graph fail the vertical-line test. D. The graph in the figure is not the graph of the function f because the value of the function is not marked for odd-numbered years.

ENGR.ECONOMIC ANALYSIS
14th Edition
ISBN:9780190931919
Author:NEWNAN
Publisher:NEWNAN
Chapter1: Making Economics Decisions
Section: Chapter Questions
Problem 1QTC
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Question
Whenever postage rates change, some newspaper publishes a graph such as the one
shown below, which shows the price of a first-class stamp from 2006 to 2016.
Cost(dollam)
0.85-
0.70-
0.55
0.40
0.25
of
2006
2008
Price of a First-Class Stamp
[Select]
2010
Year
2012
2014
2016
(a) Let f be the function whose rule is f(x) = cost of a first-class stamp in year x. Find
f(2012) and f(2015).
f(2012) = [Select]
f(2015): =
Transcribed Image Text:Whenever postage rates change, some newspaper publishes a graph such as the one shown below, which shows the price of a first-class stamp from 2006 to 2016. Cost(dollam) 0.85- 0.70- 0.55 0.40 0.25 of 2006 2008 Price of a First-Class Stamp [Select] 2010 Year 2012 2014 2016 (a) Let f be the function whose rule is f(x) = cost of a first-class stamp in year x. Find f(2012) and f(2015). f(2012) = [Select] f(2015): =
(b) Explain why the graph in the figure is not the graph of the function f. What must
be done to the figure to make it an accurate graph of the function f?
Choose the correct statement below [Select]
A. The graph in the figure is not the graph of the function f because for some years
there is more than one cost graphed.
B. The graph in the figure is not the graph of the function f because functions cannot
have sharp corners.
C. The graph in the figure is not the graph of the function f because the horizontal
lines make the graph fail the vertical-line test.
D. The graph in the figure is not the graph of the function f because the value of the
function is not marked for odd-numbered years.
Transcribed Image Text:(b) Explain why the graph in the figure is not the graph of the function f. What must be done to the figure to make it an accurate graph of the function f? Choose the correct statement below [Select] A. The graph in the figure is not the graph of the function f because for some years there is more than one cost graphed. B. The graph in the figure is not the graph of the function f because functions cannot have sharp corners. C. The graph in the figure is not the graph of the function f because the horizontal lines make the graph fail the vertical-line test. D. The graph in the figure is not the graph of the function f because the value of the function is not marked for odd-numbered years.
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