Help with Functions/Linear Equations?????

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hollyberry
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$1.00 Help with Functions/Linear Equations?????

From Mathematics: Algebra
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Due on Mar. 09, 2009
Asked on Mar 09, 2009 at 4:50:44PM

Q:
Okay, I need help with determining whether a relation is a function or not. Here's the question:

Which relation is a function?
a. {(5,3), (2,8), (-5, -1), (4,7), (2,1)}
b. {(5,3), (2,8), (-5,-1), (4,7), (5,7)}
c. {(-5,3), (2,8), (-5,-1), (4,7), (2,2)}
d. {(5,3), (2,8), (-5,-1), (4,7), (-2,1)}

Any help would be greatly appriciated!

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sipra
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$1.00 Clear explanation is here

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Posted on Mar 09, 2009 at 5:07:09PM

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Preview: ... have two x-values assigned to the same y-value, but may not have two y-values assigned to t ...

The full tutorial is about 81 words long .

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MathOnline

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$1.00 A+ detailed and step by step solution

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Posted on Mar 09, 2009 at 5:13:37PM

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Preview: ... g whether a relation is a function or not. Here's the question: Which relation is a function? ...

The full tutorial is about 73 words long .

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Ladysmyth

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$1.00 Ordered pairs: will the real function please stand up?

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Posted on Mar 09, 2009 at 5:38:06PM

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Preview: ... things can create ordered pairs, so here the trick is to determine if the ordered pairs were generated by a function or not. A good machine gives you a predictable product. If you are manufacturing something, you set up the instructions for your machine, and expect a consistent product until ...

The full tutorial is about 262 words long .

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alephzero314
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$1.00 Full Solution with Explanation

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Posted on Mar 09, 2009 at 6:11:36PM

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Preview: ... a function. For example: a) {(5,3), (2,8), (-5, -1), (4,7), (2,1)} Let's look at just the first numbers. 5,2,-5,4,2 Since the number ...

The full tutorial is about 115 words long .