Find an equation of the tangent line at x = a.y = x2 + 4; a = 4
A. y = 8x - 12
B. y = 4x - 12
C. y = 8x - 24
D. y = 8x - 28
Answer: A
Mathematics
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Factor the polynomial using the negative of the greatest common factor.-18x3y2 + 4x3y - 8x2y
A. -2x2y(9xy + 2x - 4) B. 2x2y(-9xy + 2x - 4) C. -2x2y(9xy - 2x + 4) D. -2xy(9x2y - 2x2 + 4x)
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Solve the inequality.2x + 13 > 2(x + 11)
A. ? B. (13, ?) C. (-?, ?) D. (-?, 13)
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Specify the set by roster. ? {Counting numbers containing only 4s.} ?
A. 41, 42, 43, 44, ... B. 44, 444, 4444, 44444, ... C. 4, 444, 44444, 4444444, ... D. 4, 44, 444, 4444, ... E. 4, 14, 24, 34, 44, ...
Mathematics