Use a calculator to find the approximate value of the expression rounded to two decimal places.cos 9°

A. 0.99
B. 0.91
C. -0.91
D. -0.99

Answer: A

Mathematics

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Use the graph to evaluate the limit.f(x)

A. -2 B. does not exist C. 1 D. 0

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Find the exact value under the given conditions.Given sin u = , with u in quadrant II, and cos v = , with v in quadrant I. Find sin (u - v).

A.
B.
C.
D.

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Sketch the line that has the given slope and contains the given point.m is undefined, (-7, -6)

A.

B.

C.

D.

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Solve the problem.The total cost to produce x handcrafted wagons is C(x) = 110 + 7x - x2 + 2x3. Find the marginal cost when 

A. 375 B. 485 C. 1126 D. 1016

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