Let x be a continuous random variable over [a, b] with probability density function f. Then the median of the x-values is that number m for which 
.Find the median.f(x) = 
x2, [-2, -2]
A. 1
B. 
C. 0
D. 
Answer: C
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Find the value of d2y/dx2 at the point defined by the given value of t.x = t, y = 
, t = 3
A. - 
B. 
C. - 
D. - 
Solve the problem.Select the correct statement for the definition of the limit: 
f(x) = L means that __________________
A. if given any number ? > 0, there exists a number ? > 0, such that for all x,
0 < 
< ? implies 
< ?.
B. if given any number ? > 0, there exists a number ? > 0, such that for all x,
0 < 
< ? implies 
> ?.
C. if given a number ? > 0, there exists a number ? > 0, such that for all x,
0 < 
< ? implies 
> ?.
D. if given any number ? > 0, there exists a number ? > 0, such that for all x,
0 < 
< ? implies 
< ?.
In a certain city there is a river running through the middle of the city. There are three islands and seven bridges as shown in the figure below.
In the graph that models this situation, the degree of the vertex that represents island B is
A. 2. B. 1. C. 4. D. 3. E. none of these
Solve for the unknown in the equation.51 = 6X - 9
A. X = 54 B. X = 58 C. X = 17 D. X = 10