For the following function, use a graphing calculator to find the intervals of x where f(x)> 0 and those where f(x)< 0. 

A.  f(x)> 0:

f(x)< 0: 


B.  f(x)> 0:

f(x)< 0:


C.  f(x)> 0:

f(x)< 0:


D.  f(x)> 0:

f(x)< 0:


E.  no sollution

Answer: A

Mathematics

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