The monthly revenue, R(x), in thousands of dollars, x months after January 1, for Urban Neckwear, is given by R(x) = - 0.004x° – 0.89x +7.53x+ 78.6. a) Find the 3-month moving averages in thousands of dollars for x = 0, 2, 4, and 6. rounding to the nearest thousand. b) Graph P, for 0
The monthly revenue, R(x), in thousands of dollars, x months after January 1, for Urban Neckwear, is given by R(x) = - 0.004x° – 0.89x +7.53x+ 78.6. a) Find the 3-month moving averages in thousands of dollars for x = 0, 2, 4, and 6. rounding to the nearest thousand. b) Graph P, for 0
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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The monthly revenue, R(x), in thousands of dollars, x months after January 1, for Urban Neckwear, is given by R(x) = - 0.004x° - 0.89x + 7.53x+78.6.
a) Find the 3-month moving averages in thousands of dollars for x = 0, 2, 4, and 6. rounding to the nearest thousand.
b) Graph P, for 0<x<9, and the moving averages on the same graph.
c) Do the moving averages follow the same general trend as the graph of P? Why or why not?
A.
В.
С.
D.
a) 69, 92, 90, 96
b)
a) 65, 90, 92, 94
b)
a) 69, 84, 96, 90
b)
a) 87, 93, 92, 83
b)
Ar(x)
108-
Ar(x)
108-
Ar(x)
108-
Ar(x)
108
X
9.
9.
9.
c) The moving averages do not follow
c) The moving averages follow the
c) The moving averages follow the
c) The moving averages follow the
the trend and have more variation.
trend and smooth over minor
trend and smooth over minor
trend and smooth over minor
variations.
variations.
variations.
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