Solve the polynomial inequality and graph the solution set on a number line.-2x2 + 4x ? 0

A.

B. (-?, 0] ? 

C.

D.  ? [0, ?)

Answer: C

Mathematics

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A. s
B. s2
C. s
D. s

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A. e8 B. 8 ln e C. 1 D. 8

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Find the unit tangent vector of the given curve.r(t) = (8t cos t - 8 sin t)j  + (8t sin t + 8 cos t)k

A. T(t) = - (sin t)j  + (cos t)k
B. T(t) = (-sin t)j  + (cos t)k
C. T(t) = (8 cos t)j  - (8 sin t)k
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Provide an appropriate response.State unemployment tax is fixed with all states charging the same rate.

A. True B. False

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