Find the domain of the function.f(x) = 

A. all real numbers, or (-?, ?)
B. {x|x ? 17}, or (-?, 17]
C. {x|x > }, or (, ?)
D. {x|x ? 17}, or (-?, 17) ? (17, ?)

Answer: B

Mathematics

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Solve the problem.Evaluate  at (u, v) = (3, 4) for the function w(x, y, z) = xz + yz - z2; x = uv, y = uv, z = u.

A. 42 B. -6 C. 0 D. 48

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Perform the indicated operation.(-7) ? (-8) ? (-10) ? (4)

A. -2247 B. 2247 C. -2240 D. 2240

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Convert log x = 1.392 to exponential form.

a. 1.392x = 10 b. X10 = 1.392 c. 10x = 1.392 d. 101ú392 = x e. x1ú392 = 10

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Find any excluded values. 

A. ± , 3
B.  
C. ± 
D. ± 

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