Write the equation of a sine function that has the given characteristics.Amplitude: 4Period: 5
A. y = 4 sin (5x)
B. y = 5 sin 
C. y = sin (5?x) + 4
D. y = 4 sin 
Answer: D
Mathematics
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Perform the indicated operation. Write the result in standard form.(7 + 7i)(2 + 6i)
A. -28 + 56i B. -28 - 56i C. 42i2 + 56i + 14 D. 56 - 28i
Mathematics
Find both the additive inverse and the multiplicative inverse for the given number.- 
A. - 
, - 
B. 0, 1
C. 
, - 
D. 
, - 
Mathematics
Use the union rule to answer the question.If n(B) = 48, n(A ? B) = 9, and n(A ? B) = 84; what is n(A)?
A. 45 B. 36 C. 47 D. 43
Mathematics
Solve the formula for the indicated letter. Assume that all variables represent nonnegative numbers.aS2 + bS = c for S
A. S = 
B. S = 
C. S = 
D. S = 
Mathematics