Solve the problem.During a poll, 15,980 people were asked whether they favored a particular ballot measure. 50% of them said they favored the measure. How many people favored the ballot measure?
A. 7980 people
B. 799 people
C. 79,900 people
D. 7990 people
Answer: D
Mathematics
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Solve:
4 - j6 ÄÄÄÄÄÄ = 2 - j2 a. 2 + j3 b. 2 - j3 c. 5 j Ä - Ä 2 2 d. 5 - j e. 5 j Ä + Ä 2 2
Mathematics
Determine where the function is concave downward.
?
?
A. 
B. 
C. 
D. 
Mathematics
Explain whether the given equation defines an exponential function. Give the base for each exponential function.y = 5x
A. No, the exponent is a variable. B. No, the base is a constant. C. Yes, the base is 5. D. Yes, the base is x.
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.4 - 4i
A. 
cis 100°, 
cis 220°, 
cis 340°
B. 
cis 60°, 
cis 180°, 
cis 300°
C. 
cis 80°, 
cis 200°, 
cis 320°
D. 
cis 100°, 
cis 220°, 
cis 340°
Mathematics