The unit staircase function is defined as follows: S0 —п if n — 1si

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.7: Exponential And Logarithmic Models
Problem 20TI: Change the function y=3(0.5)x to one having e as the base.
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The unit staircase function is defined as follows:
S0 —п if n — 1si<n, n- 1,2,3, ...
(a) Sketch the graph of ƒ to see why its name is appropri-
ate. (b) Show that
f)-Συ( - η
п%3D0
for all t 2 0. (c) Assume that the Laplace transform of the
infinite series in part (b) can be taken termwise (it can).
Apply the geometric series to obtain the result
L{f(1t)} =
s(1 – e-s)"
Transcribed Image Text:The unit staircase function is defined as follows: S0 —п if n — 1si<n, n- 1,2,3, ... (a) Sketch the graph of ƒ to see why its name is appropri- ate. (b) Show that f)-Συ( - η п%3D0 for all t 2 0. (c) Assume that the Laplace transform of the infinite series in part (b) can be taken termwise (it can). Apply the geometric series to obtain the result L{f(1t)} = s(1 – e-s)"
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