Find the nth, or general, term.-1, 1, -1, 1, . . .

A. (-1)n
B. -1n-1
C. (-1)n-1
D. -1n

Answer: A

Mathematics

Find the value.If F(x, y) = tan-1 , find Fx(-5, 6) and Fy(-5, 6).

A. F_x(-5, 6) = - , F_y(-5, 6) = -
B. F_x(-5, 6) = - , F_y(-5, 6) = -
C. F_x(-5, 6) = - , F_y(-5, 6) =
D. F_x(-5, 6) = - , F_y(-5, 6) = -

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Mathematics

Simplify.

A.
B. -21
C. 11
D. 21

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Mathematics

Find the sum.-6 + (-17)

A. -23 B. -24 C. 23 D. -11

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Mathematics

Multiply and express the product as a mixed number or an integer.4 ?

A. -16
B. -16
C. -16
D. -15

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Mathematics