Solve the problem.If the price (in dollars) of a product is given by P(x) = 
+ 1200, where x represents the demand for the product, find the rate of change of price when the demand is 8 units.
A. -$128/unit
B. -$16/unit
C. $128/unit
D. $16/unit
Answer: B
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Work the application and answer with a complete sentence.A dairy produces 
of milk each day. There are 
in a gallon. How many gallons of milk are produced each day?
A. 8250 gallons of milk are produced each day. B. 82,500 gallons of milk are produced each day. C. 1,320,000 gallons of milk are produced each day. D. 825,000 gallons of milk are produced each day.
Find the dot product, u ? v, for the given vectors.u = 
, v = 
A. -28 B. -6 C. 78 D. -12
We can often multiply and divide radicals with different indexes. For example:
?
?
Use this idea to write the following expression as a single radical.
?
What will be an ideal response?
Multiply the rational expressions. Simplify, if necessary.
? 
A. - 
B. - 
C. - 
D. 