Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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The graph of y = f(x) below gives the speed limit y along a rural highway after traveling r miles.
60
50
40
30
20
y = f(x)
10
04 8 12 16 20
Distance (miles)
(a) What are the highest and lowest speed limits along this stretch of highway?
(b) Estimate the miles of highway with a speed limit of 55 mph.
(c) Evaluate f(4), f(12) and f(18).
(d) At what r-values is the graph discontinuous? Interpret each discontinuity.
Speed limit (mph)
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Transcribed Image Text:The graph of y = f(x) below gives the speed limit y along a rural highway after traveling r miles. 60 50 40 30 20 y = f(x) 10 04 8 12 16 20 Distance (miles) (a) What are the highest and lowest speed limits along this stretch of highway? (b) Estimate the miles of highway with a speed limit of 55 mph. (c) Evaluate f(4), f(12) and f(18). (d) At what r-values is the graph discontinuous? Interpret each discontinuity. Speed limit (mph)
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