Answer:

Step-by-step explanation:

Answer:
The relative maximum value is 
Step-by-step explanation:
The given function is

We differentiate to obtain;

At turning points 


We apply the second derivative test to obtain:

Since the second derivative is negative, there is a relative maximum at x=0.
We substitute x=0 into the original function to obtain the relative maximum value.

Answer:
it may be B.
Step-by-step explanation:
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