Find the median of the random variable x with the probability density function defined on the indicated interval I. The median of x is defined to be the number m such that 
. Observe that half of the x-values lie below m and the other half lie above m.
?
?
A. ?
B. ?
C. 
D. ?
E. ?
Answer: C
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Find the indicated sum. Find the sum of the first 7 terms in the geometric series 6 + 0.6 + 0.06 + . . .
A. 6.066666 B. 0.666666 C. 6.606066 D. 6.666666
Provide an appropriate response.Describe the graph of the function f(x) = x + 3 if the domain is 
A. The graph consists of the four points (3, 3), (4, 3), (5, 3), and (6, 3). B. The graph consists of the four points (3, 6), (4, 7), (5, 8), and (6, 9). C. The graph consists of the four points (0, 6), (1, 7), (2, 8), and (3, 9). D. The graph is a line through the four points (3, 6), (4, 7), (5, 8), and (6, 9).
Solve equation by using the quadratic formula.3x2 - 4x = 7
A. x = 
, 1
B. x = 
, -1
C. x = 
, -1
D. x = 
, 0
Solve the equation.?b - 8? + 1 = 10
A. ? B. {-17, 1} C. {17} D. {-1, 17}