help me math question?

Posted on 2015-09-22 06:46:00 in Math by ANDREI

Sketch the possible graph to answer the questions. 



A. For each of the following intervals, what is the minimum and maximum number of zeros f could have in the interval? (Note that if there must be exactly N zeros in an interval, the minimum and maximum are both N.) 







minimum maximum 

??<x?0 

0<x?1 

1<x<9 

9?x<? 



B. Are any of the following possible values for f ? (1) ? (Enter your answer as a comma-separated list, or enter 'none' if none of them are possible.) ?3 , ?2 , ?1 , ?15 , 0 , 15 , 1 , 2 , 3 . 

possible values: f ? (1)= 



C. What happens to f as x??? ? 

lim x??? f(x)= 

(Enter the value, 'infinity' or '-infinity' for ? or ?? , or 'none' if there is no limit.)

Update: A continuous function f , defined for all x , has the following properties: f is decreasing , f is concave up, f(9)=?2 , f ? (9)=?14?

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