An advertising agency has found that when it promotes a new product in a city of 350,000 people, the rate of change R of the number of people who are aware of the product is related to the number of people x who are aware of it and is given by 
, where 
and 
Graph this equation with a graphing utility. Based on this graph, is the rate of change increasing or decreasing?
?
A. increasing
B. decreasing
Answer: A
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Find the indicated limit or state that it does not exist.
7x(x + 9)(x - 2)
A. 504 B. -1008 C. -5040 D. 1008
Add or subtract. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
The weight w, in pounds, of a certain animal at age t years satisfies the equation of change 
. For what values of the weight w is the animal losing weight? Round your answer to two decimal places.
?
A. 
pounds
B. 
pounds
C. 2.90 pounds
D. None of the above
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -2 (odd), 0 (odd) B. -2 (even), 0 (odd) C. -2 (even), 0 (even) D. -2 (odd), 0 (even)