Find the product.(x - 7)(x + 5)

A. x2 - 2x - 35
B. 2x - 35
C. x2 + 2x + 35
D. 2x2 + 35


Answer: A

Mathematics

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Evaluate the integral by using multiple substitutions. dr

A.  sin  + C
B.    + C
C. -sin  + C
D.  sin  + C

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I = 22 mAPK and f = 200 KHz. Find i when t = 600 æsec.

a. 8.21 mA b. 9.65 mA c. 16.41 mA d. -4.28 mA e. 0 mA

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Provide an appropriate response.State the domain of the inverse tangent function.

A. [0, ?]
B.
C. (-?, ?)
D. [-1, 1]

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The -coordinate system has been rotated  degrees from the -coordinate system. The

coordinates of a point in the -coordinate system are given. Find the coordinates of the point in the rotated coordinate system.
?
,
?

A.
B.
C.
D.
E.

Mathematics