Write the number as a product of a real number and i. Simplify the radical expression.
A. -4
B. -4i
C. 4i
D. 4
Answer: C
Mathematics
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Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = sin ?Find 10 g(?).
A. 5
B. - 
C. 5
D. - 
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Identify and graph the polar equation.r2 = 3 cos(2?) 
A. 
rose with four petals
B. 
rose with four petals
C. 
lemniscate
D. 
lemniscate
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Decompose into partial fractions.
A. 
- 
B. 
- 
C. 
+ 
D. 
+ 
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Find the area of the figure. Use 3.14 for ?.
A. 31.418 m2 B. 15.1674 m2 C. 30.3347 m2 D. Not enough data
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