Calculus - limit with f(x) and g^2(x) in limit

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SUMMARY

The forum discussion centers on solving a calculus limit problem involving the functions f(x) and g^2(x). The user correctly calculated the limit by substituting 2 for f(x) and -4^2 for g^2(x), arriving at a result of 2/3. This solution was confirmed by other participants in the discussion, affirming the accuracy of the calculation. The lack of prior examples in class was noted as a source of frustration for the user.

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Homework Statement



See the bottom problem (#2)
See image - http://imageshack.us/photo/my-images/842/img7774y.jpg/

The Attempt at a Solution



Plugged in 2 for f(x) and -4^2 for g^2(x)

got 2/3,

Is this correct? All help appreciated! Mad at my Calc teacher because he never gave us an example of this in class.
 
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2/3 is correct! :smile:
 

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