Solve the problem.Decide which of the rational functions might have the given graph. 

A. f(x) = 1 - x
B. f(x) = 1 + 
C. f(x) =  - 1
D. f(x) = 1 - 


Answer: D

Mathematics

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Find the value of the constant k so that the given function in a probability density function for a random variable over the specified interval. f(x) = 7e-6x  over [0, k]

A.  ln 
B. -  ln 
C.  ln 7
D. e-6x ln 7

Mathematics

A.
B.
C.
D. 6

Mathematics

Simplify the expression. Assume that all variables are positive and write your answer in radical notation. ? 

A.
B.
C.
D.

Mathematics

Find the probability.If two 8-sided dice are rolled what is the probability that both numbers will be even?

A.
B.
C.
D.

Mathematics