Solve the equation.5(2x - 3) = 9(x + 4)

A. {-51}
B. {-21}
C. {26}
D. {51}

Answer: D

Mathematics

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Evaluate the function for the given value of x.f(x) = 9x - 1 , x = 0

A. f(0) = 9 B. f(0) = 1 C. f(0) = -9 D. f(0) = -1

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Mathematics

The function f is one-to-one. Find its inverse.f(x) =

A. f-1(x) = x3 + 5
B. f-1(x) = x3 + 25
C. f-1(x) = 
D. f-1(x) = x + 5

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Mathematics

Use the graph to determine the function's domain and range.

A. domain: (-?, -5) or (-5, ?) range: (-?, -2) or (-2, ?) B. domain: [-5, ?) range: [-2, ?) C. domain: (-?, ?) range: [-2, ?) D. domain: (-?, ?) range: (-?, ?)

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Mathematics

Use DeMoivre's Theorem to find the following. Write your answer in standard form. ? ? ?

A. ?-8 - 8?i?
B. ?18i111111
C. ?-?16 - 16i
D. ?116 + 16i?1
E. ?81111?1

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Mathematics