Multiple Choice
Let B denote the price of a bag of groceries at time t.It is found that 
is positive at 
.What can be concluded about the graph of B at the point 
?
A) The price of groceries reaches a maximum at 
.
B) The price of groceries reaches a minimum at 
.
C) The price of groceries is increasing at 
.
D) The price of groceries is decreasing at 
.
Correct Answer:
Verified
Correct Answer:
Verified
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