Simplify the exponential expression.

A.
B.
C.
D.


Answer: A

Mathematics

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Find the length of the curve.y = ln(sin x) from x = ?/6 to x = ?/4

A. ln(2 - )
B. ln
C. ln
D. ln( - 1)

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Find the indicated probability.In a batch of 8000 clock radios 9% are defective. A sample of 8 clock radios is randomly selected without replacement from the 8,000 and tested. The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch will be rejected?

A. 0.530 B. 0.0900 C. 0.470 D. 0.125

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Solve the problem.At time t ? 0, the velocity of a body moving along the s-axis is  When is the body moving backward?

A. t > 6 B. 0 ? t < 1 C. 0 ? t < 6 D. 1 < t < 6

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Graph the parabola.f(x) = -4x2 - 3x - 9

A.

B.

C.

D.

Mathematics