Find the work done by F over the curve in the direction of increasing t.F = 6zi + 4xj + 10yk; C: r(t) = ti + tj + tk, 0 ? t ? 1
A. W = 10
B. W = 40
C. W = 
D. W = 20
Answer: A
Mathematics
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Sketch the graph and show all local extrema and inflection points.y = |x2 - 2x|
A. Local maximum: 
Inflection points: (0, 0), (2, 0)
B. Local minima: (0, 0), (2, 0)
Local maximum: 
No inflection points
C. Local minimum: 
No inflection points
D. Local minima: (0, 0), (2, 0)
Local maximum: 
Inflection points: (0, 0), (2, 0)
Mathematics
Write an equivalent expression by factoring out the greatest common factor.3x3 + 12x
A. 3x(x2 + 9x) B. 3x2(x + 4) C. 3x(x2 + 4) D. 3x(x2 + 4x)
Mathematics
Solve the inequality. Describe the solution set using inequality notation.- 
x ? 6
A. x ? 30 B. x ? 30 C. x ? -30 D. x ? -30
Mathematics
Use a calculator to approximate the root to the nearest thousandth.
A. -2.355 B. -2.337 C. -2.346 D. -2.325
Mathematics