SOLUTION: Use the function f(x)= 4x^2 +2 and find f(x+h)-f(x)/h
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Question 184252: Use the function f(x)= 4x^2 +2 and find f(x+h)-f(x)/h
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
 = 4x^2 + 2 )
 = 4(x + h)^2 + 2 )
So:
 - f(x)}{h} = \frac {(4(x + h)^2 + 2) - (4x^2 + 2)}{h} = \frac {4x^2 + 8xh + 4h^2 + 2 - 4x^2 - 2}{h} =\frac {8xh + 4h^2}{h} = 8x + 4h)
John
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