The total annual revenue
of the Miramar Resorts Hotel is related to the amount of money
the hotel spends on advertising its services by the function
where both
and
are measured in thousands of dollars. Use this function to:
A. Find the interval where the graph of
is concave upward and the interval where the graph of
is concave downward.
B. Find the inflection point of
.
C. Determine if it would it be more beneficial for the hotel to increase its advertising budget slightly when the budget is $90,000 or when it is $110,000.
A) concave upward on
;
Concave downward on
;
Inflection point is
;
B) concave downward on
;
Concave upward on
;
Inflection point is
;
C) concave upward on
;
Concave downward on
;
Inflection point is
;
D) concave downward on
;
Concave upward on
;
Inflection point is
;
E) concave upward on
;
Concave downward on
;
Inflection point is
;
Correct Answer:
Verified
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