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F(X)+X^2=2 WHEN F(X+H)

 Sep 29, 2014

Best Answer 

 #4
avatar+23252 
+5

For F(x) = x² + 2

F(x + h)  =  (x + h)² + 2                                   (replace x with x+h throughout the problem)

              = x² + 2xh + h² + 2                            (multiply out)

 Sep 29, 2014
 #1
avatar+23252 
0

F(x+h) means to replace 'x' with 'x+h' everywhere there is an 'x'.

If you have entered this correctly, then you have just: F(x+h) + x² = 2 which can't be solved.

Did you mean:  find F(x+h) when F(x) = x² - 2 ?  If so, write back.

 Sep 29, 2014
 #2
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Yes, thats what i ment.

 Sep 29, 2014
 #3
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0

F(x+h)...F(x)=x^2+2

 Sep 29, 2014
 #4
avatar+23252 
+5
Best Answer

For F(x) = x² + 2

F(x + h)  =  (x + h)² + 2                                   (replace x with x+h throughout the problem)

              = x² + 2xh + h² + 2                            (multiply out)

geno3141 Sep 29, 2014

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