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Vaselesa [24]
3 years ago
14

For several weeks, a server records the number of desserts, d, ordered by diners at each table and the tip, t, in dollars, he re

ceives from that table. He finds that there is a positive linear association between t and d that is best modeled by the equation t = 1.4d + 9.1.
Mathematics
1 answer:
larisa86 [58]3 years ago
5 0
In this equation the 9.1 would represent the amount the tip would have been before the adjustment is made (1.4d) for the dessert.
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A newtonian approximation is an interative process that gets closer and closer to the actual answer to any mathematical problem...it is of the form:

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In a square root problem you wish to know:

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(x^2+n)/(2x), where you can choose any starting value of x that you desire (though convergence to an exact (if possible) solution will be swifter the closer xi is to the actual value x)

In this case the number, n=95.54, so a decent starting value for x would be 10.

Using this initial x in (x^2+95.54)/(2x) will result in the following iterative sequence of x.

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The calculator result for my calc is: 9.7744565066299210578124802523381

So you see how accurate the newton method is in just a few iterations. :P


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