Decide whether or not the set of ordered pairs defines a function.{(-6, -9), (-6, -4), (1, 4), (6, -4), (8, -1)}

A. No
B. Yes

Answer: A

Mathematics

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Evaluate the improper integral.

A. 40 B. 420 C. 28 D. 280

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Find the volume of the described solid.The solid lies between planes perpendicular to the x-axis at x = ?/6 to x = ?/2. The cross sections perpendicular to the x-axis are circular disks with diameters running from the curve  to the curve 

A. (2 - 2) ? - 
B. ( - 1) ? + 
C.  - 
D.  - 

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Graph using the slope and the y-intercept.y = 5x + 4

A.

B.

C.

D.

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Rewrite the expression as a sum, difference, or product of simpler logarithms.log8 

A.
B. log87 + log85 - log83
C.
D. log87 + 5log85 - 4log83

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Mathematics