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If f(x) is an even function and (6, 8) is one the points on the graph of f(x), which reason explains why (–6, 8) must also be a point on the graph?

Guest Mar 13, 2017
 #1
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An even function has the property that  f(x)   = f(-x)

 

So.....if x  = 6, then -x  = -6    and we have

 

f(6)  = 8    and   f(-6)  = 8

 

So   f(x)  = f(-x)

 

 

cool cool cool

CPhill  Mar 13, 2017

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