Find an equation of the tangent line at x = a.y = x3 - 36x - 2; a = 6
A. y = 72x - 2
B. y = 72x - 434
C. y = 70x - 434
D. y = -2
Answer: B
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Find the mode.71, 25, 71, 13, 25, 29, 56, 71
A. The mode is 71. B. The mode is 45.1. C. The mode is 42.5. D. The mode is 25.
Solve the problem.Al's Recycling Center pays local children $0.50 for each pound of aluminum cans they bring in. If Bobby brings in 11 pounds of cans, what are his gross earnings?
A. $5.50 B. $4.00 C. $7.00 D. $11.50
Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.2x - 4 ? 8
A. x ? 6; [6, ?)
B. x ? 6; (-?, 6]
C. x ? 2; (-?, 2]
D. x ? 2; [2, ?)
Solve the linear inequality. Graph the solution set on a number line, and express the solution using interval notation.-21x + 3 ? -3(6x + 4)
A. [5, ?)
B. (-?, 5)
C. [5, ?)
D. (-?, 5]