Find the product or quotient. Write the answer in standard form.

A.  - i
B.  + i
C.  + i
D.  - i

Answer: B

Mathematics

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Write in logarithmic form.10-4 = 0.0001

A. log10 = 0.0001
B. log40. = -4
C. log4-4 = 0.10
D. log10 = -4

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Solve.4(3x + 1) + 48 = 5x + 3

A. -7 B. -343 C. 7 D. -49

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Find all values of a for which f(a) is the indicated value.f(x) =  - ; f(a) = 4

A. 8 B. - 2 C. 1 D. 2

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Find the phase shift of the function.y = 4 cos 

A. 4 units down
B.  units to the right
C.  units to the left
D. 4 units up

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Mathematics