Question: please answer questions 15 and 16 15. Suppose & ( x ) is continous on ( - 0, 00). If p' ( 9 ) =
please answer questions 15 and 16

15. Suppose & ( x ) is continous on ( - 0, 00). If p' ( 9 ) = 0 and f "( 9) = 3, what does that tell you about &? a. f is increasing at x= 9 b. f is Jerceasing at x= 9 coof has a local maximum at x = 9 d. I has a local minimum at X = 9 e. nothing can be said about 16. Find lim 1x-21 X- 1
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