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

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


Answer: D

Mathematics

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Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx; [0, 5]

A.
B.
C.
D.

Mathematics

Simplify the absolute value expression.|14|

A. 14 B. -14 C. 0 D. 28

Mathematics

Write an expression or equation representing the following and simplify if possible.The square of the difference of x and 9 is equal to 9.

A. (x + 9)2 = 9 B. (x - 9)2 = 9 C. x2 - 9 = 9 D. x2 - 81 = 9

Mathematics

Answer as indicated in a complete sentence.Two boxes of pasta are combined into one container. If one of the boxes contains 2 pounds 9 ounces and the other contains  how much pasta is there in total?

A. The total amount of pasta is 5 pounds 5 ounces. B. The total amount of pasta is 6 pounds 6 ounces. C. The total amount of pasta is 5 pounds 6 ounces. D. The total amount of pasta is 6 pounds 5 ounces.

Mathematics