Divide and simplify to the form a + bi.

A.  - i
B.  + i
C. -  + i
D. -  + i


Answer: A

Mathematics

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The number represents an approximate measurement. State the range represented by the measurement.17.3 m

A. 17.25 m to 17.35 m B. 16.3 m to 18.3 m C. 17.29 m to 17.31 m D. 17.275 m to 17.325 m

Mathematics

Find the real solutions of the equation. = -4

A.
B.
C.
D.

Mathematics

For the given functions f and g, find the requested composite function.f(x) = x2 - 5, g(x) = x2 - 8;Find (f ? g)(x).

A. x4 - 16x2 + 59 B. x4 - 10x2 + 17 C. x4 + 17 D. x4 + 59

Mathematics

Simplify.

A. 5
B.
C. 2
D.

Mathematics