Use the appropriate addition formula to find the exact value of the expression.sin 
A. 
B. - 
C. 
D. 
Answer: C
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Find the volume of the solid generated by revolving the shaded region about the given axis.About the y-axis
A. 
?
B. 3?
C. 
?
D. 18?
Provide an appropriate response.Prove that the function f is not one-to-one.f(x) = 
- 2
What will be an ideal response?
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400
Solve the problem.The length of the diagonal of a rectangle is given by 
where L and W are the length and width of the rectangle. What is the length of the diagonal, D, of a rectangle that is 73 inches long and 45 inches wide? Round your answer to the nearest tenth of an inch, if necessary.
A. 57.3 inches B. 85.8 inches C. 10.9 inches D. 57.5 inches