Find the domain and the range for the function.

A. Domain: (-5, 5), Range: [-2, 8)
B. Domain: (-?, ?), Range: [-2, ?)
C. Domain: (-?, ?), Range: [-2, 4]
D. Domain: (-?, ?), Range: [0, ?)


Answer: B

Mathematics

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Determine whether the study involves selection bias, participation bias, both selection bias and participation bias, or neither."38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college.

A. Selection bias B. No bias C. Participation bias and selection bias D. Participation bias

Mathematics

Find the Jacobian  or  (as appropriate) using the given equations. 

A. - 
B.
C. -22
D. 22

Mathematics

Find |u x v| correct to three decimal places where |u|= 10, |v|= 5, ??= 80°.

What will be an ideal response?

Mathematics

Simplify by factoring.

A. -2k4 B. 8k4 C. 2k15 D. 2k4

Mathematics