Express the given function using unit step function (t ,04A.) f (t) = t – tu (t – 4) – 2u (t – 4)B.) f (t) = t +tu (t – 4) – 2u (t – 4)C.) f (t) = t + tu (t – 4) + 2u (t – 4)D.) f (t) = t - tu (t – 4) + 2u (t – 4)

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Answered: 0st <4 f (t) = | 2 ,t24 O A.) f (t) = t…

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Please show solutoin on paper. It's hard to understand some stuff on typed format. Thanks and explain throughly on why each step was taken thanks :)
While comparing the sales of different brands of cement of the same quality, it is found that thevolume of sales is a function of the number of advertisements on hoardings (x1) and the number ofminutes of advertisement on television (x2), expressed byf=12*x1*x2-x1'2-3*x2'2Each advertisement on a hoarding or each minute of television time costs Rs. 1000. How should acement brand allocate Rs. 48,000 between the two advertising media so that its sales are maximized?
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Determine if the following functions are one-to-one by inspecting their graphs using the Vertical line test (VLT) and the Horizontal Line Test (HLT). You do not need to sketch the graphs. I am still have troubling solving these one... 16.) Y= 2x^3-4x^2-3x+517.) Y=x^2, X greater than or equal to 0

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0st <4 f (t) = | 2 ,t24 O A.) f (t) = t -tu (t - 4) – 2u (t – 4) B.) f (t) = t +tu (t – 4) – 2u (t – 4) C.) f (t) = t + t u (t – 4) + 2u (t – 4) O D.) f (t) = t -tu (t – 4) + 2u (t – 4)