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Math Help - Hybrid function involving lines.

  1. #1
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    Hybrid function involving lines.

    Here is a problem I am having trouble with:
    Hybrid function involving lines.-mathproblem1.jpg


    Any help will be much appreciated.
    Attached Thumbnails Attached Thumbnails Hybrid function involving lines.-mathproblem1.jpg  
    Last edited by mr fantastic; September 2nd 2010 at 05:01 PM. Reason: Re-titled.
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  2. #2
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    Quote Originally Posted by bwirth View Post
    Here is a problem I am having trouble with:
    Click image for larger version. 

Name:	MathProblem1.jpg 
Views:	38 
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ID:	18805


    Any help will be much appreciated.
    The question expects you to be able to find the equation of a line joining two points.

    The first part of the rule is a line that joins the points (150, 0) and (204, 40). The second part of the rule is a line that joins the points (204, 40) and (279, 70).
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    Thanks mr fantastic,

    Ok, so I think I found the slope. m= 40/54 or .74 is that right? What is the next step to completing the equation?
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    Quote Originally Posted by bwirth View Post
    Thanks mr fantastic,

    Ok, so I think I found the slope. m= 40/54 or .74 is that right? What is the next step to completing the equation?
    Your gradient m is correct. Have you been taught how to find the equation of a line? What do your class notes say to do?
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