Simplify using the order of operations.
A. 42
B. 128
C. 224
D. 3208
Answer: B
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Find all solutions of the equation in the interval [0, 2?).4 sin2 x - 3 = 0
A. 
B. 
C. 
D. 
Find the inverse of the function and state its domain and range .
A. 
D: {3000}
R: {15}
B. 
D: {3000, 12,000}
R: {15, 35}
C. 
D: {3000, 4000, 8000, 12,000}
R: {15, 20, 25, 35}
D. 
D: {15, 20, 25, 35}
R: 3000 4000, 8000, 12,000}
Solve the problem.An electronics store determines the following demand function for phones of a particular type 
where q = the number of phones sold per day when the price per phone is x dollars. Find the elasticity when 
per phone.
A. E(x) = 0.6 B. E(x) = 0.44 C. E(x) = 0.96 D. E(x) = 1.54
Solve.The population of a city increased from 992,215 in 1995 to 1,401,258 in 2005. What is the percent of increase? Round your answer to the nearest tenth of a percent.
A. 29.2% B. 41.2% C. 2.9% D. 4.1%