Write the expression in lowest terms.

A.
B.
C.
D.


Answer: C

Mathematics

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Use reduction formulas to evaluate the integral.

A. -  cos4 5x sin 5x -  cos2 5x sin 5x -  cos 5x + C
B. -  sin4 5x cos 5x -  sin2 5x cos 5x -  sin 10x +  + C
C. -  sin4 5x cos 5x -  sin2 5x cos 5x -  cos 5x + C
D. -  sin4 5x cos 5x -  sin2 5x cos 5x -  cos 5x + C

Mathematics

Identify the complex number as real or imaginary.-3i + 

A. Imaginary B. Real

Mathematics

Simplify. ? 

A.
B.
C.
D.

Mathematics

Find the domain of the composite function f?g.f(x) = 3x + 18;g(x) = 

A. (-?, ?) B. [0, ?) C. (-?, -6] or [0, ?) D. [-6, ?)

Mathematics