The table shown was generated by a graphics calculator. The expression y1 represents f(x).
All these points lie on a straight line. Find the y-intercept of the line.
A. - 
B. -3
C. 0
D. Is not shown
Answer: B
Mathematics
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Find the area of the specified region.Shared by the circles r = 2 and r = 4 sin ?
A. 
(2? + 3
)
B. 
?
C. 2?
D. 
(4? - 3
)
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Use the quotient rule to simplify.
A. -27x8 B. 3x2 C. -3x2 D. -3x6
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Express the product as a sum or difference.sin 4x cos 5x
A. 
(cos 9x + sin x)
B. 
(sin 9x - sin x)
C. 
(cos 9x - cos x)
D. sin (cos 20x2)
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Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x2 - 14x + 49 > 0
A. (7, ?)
B. (-?, 7) ? (7, ?)
C. (-?, 7)
D. (-?, ?)
Mathematics