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I know this problem probably isn't as hard as I'm making it, but can someone help me with the problem, if anything, give some pointers to start me in the right direction?

 Feb 25, 2019
 #1
avatar+101762 
+1

W(x)  constantly increases from left to right ....the slope is not constant and the point (0,1) is on the graph.....these are characteristics of an exponential

 

Z(x)   is symmeric about x = 4......without knowing anything else, this seems to indicate a polynomial  [ maybe a parabola ]

 

So....A   seems to be the best choice

 

 

cool cool cool

 Feb 25, 2019
 #2
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+1

Thank you!

 Feb 25, 2019

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