Write the expression in the form a + bi, where a and b are real numbers.(
)2
A. 16i
B. -4
C. 4i
D. 4
Answer: B
Mathematics
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Determine convergence or divergence of the alternating series.
A. Diverges B. Converges
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Find all possible functions with the given derivative.y' = 6x8
A. 
x9 + C
B. 
x9 + C
C. 
x9 + C
D. 
x9 + C
Mathematics
Solve the problem.Danny buys 4 books at $35 each and pays for them with 10-dollar bills. How many $10 bills did it take?
A. 140 bills B. 130 bills C. 14 bills D. 5 bills
Mathematics
Use a calculator to find the function value to four decimal places.sin 24°
A. 0.9135 B. 0.1045 C. 0.8090 D. 0.4067
Mathematics