Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Concept explainers

Equations and Inequations
Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
Question

How much did American shoppers spend online on Black Friday in 2012? Write your answer in dollars, in ordinary notation.  Do not include the $ sign; it will confuse the grading software.

Between which years on the chart did Cyber Monday spending increase the least? 

Black Friday vs. Cyber Monday Online Spending $2.98 billion $2.93 billion $2.65 billion $2.29 billion $1.98 billion $1.51 billion $1.35 billion $1.3 billion $1.04 billion $816 million = Black Friday (Online Only) = Cyber Monday 2011 2012 2013 2014 2015
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Transcribed Image Text:Black Friday vs. Cyber Monday Online Spending $2.98 billion $2.93 billion $2.65 billion $2.29 billion $1.98 billion $1.51 billion $1.35 billion $1.3 billion $1.04 billion $816 million = Black Friday (Online Only) = Cyber Monday 2011 2012 2013 2014 2015
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