Hyperstar departmental stores annual sales (in millions of pound) during the past five years were Annual Sales, y 4.5 5.7 6.2 7.6 7.3 8.8 Years, x 5 6 7 8 9 10 i) Plot the annual sales verses years. ii) Draw a straight line L, through the points corresponding to first and fifth years. iii) Using information in part (ii), derive an equation of line.

Calculus: Early Transcendentals
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ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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Hyperstar departmental stores annual sales (in millions of pound) during the past five years were
Annual
Sales, y
4.5 5.7 6.2 7.6 7.3 8.8
Years, x 5 6 7 8 9 10
i) Plot the annual sales verses years.
ii) Draw a straight line L, through the points corresponding to first and fifth years.
iii) Using information in part (ii), derive an equation of line.
iv) Using the equation found in part (iii), estimate hyperstar annual sales 4 years from now

 

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