Find the vertex of the graph of f(x) = -3x² - x - 2.
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Mathematics
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Find the range for the set of data given.
A. 5.2 B. 1.1 C. 1.2 D. 5.7
Mathematics
Suppose that ? is in standard position and the given point is on the terminal side of ?. Give the exact value of the indicated trig function for ?.(15, 20); Find cos ?.
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B. 
C. 
D. 
Mathematics
Solve the problem.To find the distance AB across a river, a distance BC = 346 m is laid off on one side of the river. It is found that B = 115.1° and C = 13.6°. Find AB rounded to the nearest meter.
A. 83 m B. 104 m C. 80 m D. 107 m
Mathematics
Multiply.(x + 5)(x + 5)(4x + 2)
A. 4x3 + 120x2 + 42x + 50 B. 4x3 - 42x2 - 120x + 50 C. 4x3 + 50 D. 4x3 + 42x2 + 120x + 50
Mathematics