Determine the symmetries of the curve.r2 = 5 cos 5?

A. x-axis, y-axis, origin
B. x-axis only
C. Origin only
D. y-axis only

Answer: A

Mathematics

Find the equation of the parabola corresponding to the given information.The parabola has focus and directrix as shown.

A. x = - y²
B. x = y²
C. y = x²
D. y = - x²

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Mathematics

Suppose P(C) = .048, P(M ? C) = .044, and P(M ? C) = .524. Find the indicated probability.P[(M ? C)']

A. .952 B. 0 C. .990 D. .956

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Mathematics

Complete the identity.tan2 2x + cos2 2x + sin2 2x = ?

A. sec2 2x B. 2 C. sin2 2x D. cos2 2x

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Mathematics

Multiply by powers of 10.3.8 × 100

A. 3800 B. 380 C. 0.038 D. 3.80000

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Mathematics