Find a value of k that will make f a probability density function on the indicated interval.f(x) = kx1/2; [1, 9]
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Multiply and simplify. Assume variables do not cause any denominators to equal 0.- 
? 
A. - 
B. - 
C. - 
D. - 
Mathematics
Insert either < or > in the blank between the pair of whole numbers to make a true statement.82 
171
A. > B. <
Mathematics
Factor the expression completely, if possible.6x9 - 162y6
A. 6(x2 - 3y2)(x4 + 3x2y2 + 9y4) B. 6(x3 - 3y2)(x6 + 3x3y2 + 9y4) C. 6(x3 + 3y2)(x6 - 3x3y2 + 9y4) D. Does not factor
Mathematics
Find all complex zeros of the polynomial function, and write the polynomial in completely factored form.f(x) = x4 + 5x3 + 15x2 + 45x + 54
A. f(x) = (x - 1)(x - 6)(x - 3i)(x + 3i)
B. f(x) = (x + 2)(x + 3)(x - 3i)(x + 3i)
C. f(x) = (x - i
)(x + i
)(x - 3)(x +3)
D. f(x) = (x - 2)(x + 3)(x - 3)(x + 3)
Mathematics