State whether the statement is true or false.Let A = {3, 5, 7, 9, 11, 13} B = {3, 5, 9, 11} C = {5, 9, 13}9 ? B
A. True
B. False
Answer: A
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Refer to this figure to answer the question.
What is the vertex of ?DEI?
A. I B. D C. E
Provide an appropriate response.Given f(x, y), which of the following statements is true?(i) fx is the rate of change of f as x and y change.(ii) fx is the rate of change of f as x changes, but y stays fixed.(iii) fy is the rate of change of f as y changes, but x stays fixed.(iv) fx is the rate of change of f as f changes, but x stays fixed.
A. Only (iii) is correct. B. Both (ii) and (iii) are correct. C. Only (i) is correct. D. (iv) could be correct under certain conditions.
Find the value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.
Find tan ?.
A. 
B. 
C. 
D. 
Find the product.-2x2y2(5x + 3x4y2 - x2y3)
A. -10x3y2 - 6x6y4 + 2x4y5 B. -10x3y2 - 6x6y4 - 2x4y5 C. -10x3y3 - 6x6y4 + 2x4y5 D. -10x2y2 - 6x6y4 + 2x4y5