Provide an appropriate response.The demand function for a manufacturer's product is given by p = 500 - 5q - q2 where p is the price per unit when q units are demanded. The point elasticity of demand when q = 5 is
A. -1.5.
B. -0.5.
C. -6.
D. -1.
E. -4.
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.If a rock falls from a height of 90 meters on Earth, the height H (in meters) after x seconds is approximately H(x) = 90 - 4.9x2.When does the rock strike the ground? Round to the nearest hundredth, if necessary.
A. 3.75 sec B. 18.37 sec C. 4.29 sec D. 1.94 sec
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How many different arrangements can be made using all of the letters in the word MOVIE?
A) 142 B) 10 C) 20 D) 130 E) None of these.
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Solve.Find the sale price when the original price is $82.00 at a discount of 43%.
A. $46.74 B. $78.47 C. $35.26 D. $3.53
Mathematics