Solve the equation for solutions in the interval [0°, 360°).sin 2? = cos ?
A. ? = 0°, 120°, 180°, 240°
B. ? = 105°, 165°, 285°, 345°
C. ? = 15°, 165°, 195°, 345°
D. ? = 30°, 90°, 150°, 270°
Answer: D
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Solve the problem.The size of a population of lions after t months is P = 100 (1 + 0.2t + 0.02t2). Find the growth rate when 
A. 180 lions/month B. 140 lions/month C. 10,020 lions/month D. 160 lions/month
Find the particular solution to the given differential equation that satisfies the given conditions.3
- 13
+ 4y = xe-2x; 
= - 
and y = 
when x = 0
A. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
B. y = 
e4x - 
ex/3 - 
xe-2x + 
e-2x
C. y = 
e4x + 
ex/3 + 
xe-2x + 
e-2x
D. y = 
e4x - 
ex/3 + 
xe-2x + 
e-2x
Simplify the expression. Express the answer so that all exponents are positive. Whenever an exponent is 0 or negative, we assume that the base is not 0.(9x3)-2
A. 
B. 
C. 81x6
D. 
Write a fraction to represent the shaded area of the figure.
A. 
B. 
C. 
D. 