Solve the logarithmic equation.log4 (x - 8) + log4 (x - 8) = 1

A. 10
B.
C. -, 
D. -10, 10

Answer: A

Mathematics

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Find the power of i.(-i)30

A. -1 B. i C. -i D. 1

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Expand the quotient by partial fractions.

A.   -  
B.   +  
C.   +  
D.   -  

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Solve by using the simplex method.Minimize4x1+ 5x2subject to2x1- 4x2? 102x1+ x2? 15and x1 ? 0, x2 ? 0

A. Minimum = 33 when x1 = 7 and x2 = 1
B. Minimum = 75 when x1 = 0 and x2 = 15
C. Minimum = 20 when x1 = 5 and x2 = 0
D. Minimum = 30 when x1 =  and x2 = 0

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Solve.How long must $5300 be in a bank at 7% compounded annually to become $9106.39? (Round to the nearest year.)

A. 9 yr B. 10 yr C. 7 yr D. 8 yr

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