Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx2; [0, 3]

A.
B.
C.
D.


Answer: A

Mathematics

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Integrate the function.

A.  + C
B.  tan-1 6x +  + C
C. tan-1 6x -  + C
D. ln  + C

Mathematics

Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation  where n is the number of filtering steps. Find the amounts left for  and . (Round to the nearest whole number.)

A. 600, 19 B. 600, 9600 C. 600, 38 D. 1200, 38

Mathematics

Evaluate.-128

A. 28 B. -1 C. 1 D. -28

Mathematics

Solve for x. < 9

A. -  < x < 
B. x < -  or x > 
C. -  < x < 
D. x < -  or x > 

Mathematics