Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62
B. 0.26
C. 0.22
D. 0.50
Answer: A
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Give the domain and range of the relation shown in the following.{(1, 0), (-3, 1), (4, 7)}
A. Domain: {0, 1, 7}; range: {1, -3, 4} B. Domain: {1, -3, 4}; range: {0, 1, 7} C. Domain: {1, 4}; range: {0, 7} D. Domain: {1, -3, 4}; range: {7}
Find a general term an for the geometric sequence.The first five terms of the sequence are 2, - 
, 
, - 
, 
.
A. an = 6 
n-1
B. an = 2 
n-1
C. an = 2 
n-1
D. an = 
n-1
Solve the problem.The population p, in thousands, of one town can be approximated by 
where d is the number of years since 1985. Graph the equation and use the graph to estimate the population of the town in the year 1992. 
A. About 29,000 B. About 33,000 C. About 29 D. About 37,000
Analyze the function for domain, range, continuity, symmetry, boundedness, extrema, asymptotes, and end behavior.f(x) = - 2 cot x
What will be an ideal response?