33a 4 Consider the function For this function there are four


3-3a #4

Consider the function\"f(x). For this function there are four important intervals:\"(-\\infty,,\"[A,B)\",\"(B,C)\", and\"[C,\\infty)\"where\"A\", and\"C\"are the critical numbers and the function is not defined at\"B\".
Find\"A\"
and\"B\"
and\"C\"
For each of the following intervals, tell whether\"f(x)\"is increasing (type in INC) or decreasing (type in DEC).
\"(-\\infty,:

Solution

f\'(x) = 8 - 2/x^2 = 0 x = 1/2, -1/2 Also f(0) is not defined So A=-1/2, B =0 C = 1/2 increaseing
 3-3a #4 Consider the function. For this function there are four important intervals:,,, andwhere, andare the critical numbers and the function is not defined a

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