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mathstudent123
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$1.00 functions and symmetry

  • From Mathematics: Calculus
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  • Due on Oct. 05, 2009
  • Asked on Oct 05, 2009 at 6:56:48PM
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Hi, i have a two part symmetry and function related question:  A. Find the point of symmetry of the graph of the cubic function: f(x)=-x^3+15x^2-48x+45  B. The function has a local minimum at (2,1). At what point does a local maximum occur?  I don't understand how to go about this problem.. help?
 


   
   
   
   
 
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Posted by:
CMBLUE
CMBLUE
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$1.00 Explanation with all work shown

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  • Posted on Oct 05, 2009 at 7:20:34PM
A:
Preview: ... =0 because this marks the place the graph goes from increasing to decreasing or vice versa. So solve: -3x^2 + 30x - 48 = 0 ...

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