Solve the problem.Find the elasticity of demand E for the demand function q = 10 - ln p

A. E = 
B. E = 
C. E = 
D. E = 


Answer: D

Mathematics

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What is the probability of arriving at a traffic light when it is red if the red signal is flashed for 15 sec, the yellow signal for 5 sec, and the green signal for 55 sec? ?

A. The probability is 0.10 B. The probability is 0.20 C. The probability is 0.40 D. The probability is 0.30

Mathematics

Find the phase shift of the function.y = 4 sin 

A. ? units to the right
B. ? units to the left
C.  units to the left
D.  units to the right

Mathematics

Provide an appropriate response.Find the standard deviation for the scores:  98 97 92 93 90 92 80 85

A. 2.25 B. 15.77 C. 5.96 D. 0

Mathematics

Write the expression in the form bi, where b is a real number.

A. -5i 
B. -i
C. ±5
D. 5i 

Mathematics