# Critical Points and Maximum and Minimum Values

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Find the critical points and use your test of choice to give local maximum and minimum values. Give those values.

f(x) = x^2 /sqrt(x^2 + 4)

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##### Solution Summary

For a given fonction, critical points and maximum and minimum values are found.

##### Solution Preview

write f(x) =x^2 * (x^2+4)^-1/2

note: "^" means to the power of

take the first derivative:

f' = 2x* (x^2+4)^-1/2 -1/2 x^2 * (x^2+4)^-3/2*2x

= 2x* ...

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