Simplify the complex number to its rectangular form. + 

A. -2j
B. 2 + 4j
C. -2
D. 2 - 4j


Answer: B

Mathematics

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Evaluate the integral using the given substitution., u = 4x + 1

A. 2 + C
B.  + C
C. 2 + C
D.  + C

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Solve the inequality. Graph the solution set and write the solution set in interval notation.(x + 7)(x + 2) > 0

A. (-?, -7) ? (-2, ?)


B. (-?, -7] ? [-2, ?)


C. (-7, -2)


D. [-7, -2]


Mathematics

Write as a fraction in lowest terms.0.744

A.
B.
C.
D.

Mathematics

Factor.5x2 - 14x - 24

A. (5x + 6)(x - 4) B. (6x + 5)(x - 4) C. (x + 5)(x - 4) D. (x - 6)(x - 4)

Mathematics