document.write( "Question 1135688: A certain species of tree grows an average of 3.1 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 600 centimeters tall. \n" ); document.write( "
Algebra.Com's Answer #753333 by ikleyn(52803)\"\" \"About 
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document.write( "In the given context, there is no such thing (such conception) as weekly height of the tree.\r\n" );
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document.write( "There is \"the height of the tree at the moment when you measure it\" - for example, at the beginning of each week.\r\n" );
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document.write( "Under this conception, the height of the tree at the beginning of n-th week is\r\n" );
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document.write( "     h(n) = (600-3.1) + 3.1*n  centimeters = 596.9 + 3.1*n centimeters, n = 1, 2, 3, 4 . . .     (1)\r\n" );
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document.write( "You start from 600 cm at the time moment t= 0. \r\n" );
document.write( "It corresponds to the beginning of the first week: n= 1,  h(1) = 600 cm.\r\n" );
document.write( "And then you have h(n) according to the formula (1), at the beginning of each next (n-th) week.\r\n" );
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