Use a polar coordinate system to plot the point with the given polar coordinates.(4, -135°)

A.

B.

C.

D.


Answer: A

Mathematics

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Find the area of the region specified in polar coordinates.One leaf of the rose curve r = 8 cos 3?

A. ?
B. ?
C. 32?
D. 16?

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Solve the problem.Starting at point A, a ship sails 65 km on a bearing of 192°, then turns and sails 42 km on a bearing of 336°. Find the distance of the ship from point A. (Note that bearings are measured from north, clockwise.)

A. 82 km B. 40 km C. -25 km D. 107 km

Mathematics

Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.(r1/6s1/6)2

A. r1/36s1/36 B. r1/12s1/12 C. r2s2 D. r1/3s1/3

Mathematics

Find the domain of the function.f(x) = 

A. {x|x ? }
B. {x|x ? }
C. {x|x ? 23}
D. {x|x ? 23}

Mathematics