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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Use a graphing calculator to determine which expression completes the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. cos x + 1 B. tan x - sec x C. sin x + cos x D. cot x + sin2x
Answer the question or give an explanation.Explain the purpose of an income statement.
What will be an ideal response?
Solve the problem.Claire has received scores of 85, 88, 87, and 80 on her algebra tests. What score must she receive on the fifth test to have an overall test score average of at least 82?
A. 68 or greater B. 69 or greater C. 70 or greater D. 71 or greater
Determine the maximum number of turning points of f.f(x) = x4( x4 + 1)(2x + 5)
A. 9 B. 8 C. 16 D. 4