Replace the Cartesian equation with an equivalent polar equation. (x - 11)2 + (y + 3)2 = 121

A. r = 22 cos ? - 6 sin ? - 9
B. r2 = -11r cos ? + 3r sin ? + 121
C. r2 = 22r cos ? - 6r sin ? - 9
D. r2 = 22r sin ? - 6r cos ? - 9

Answer: C

Mathematics

Add or subtract.-8.5 - 12.1

A. 3.6 B. 20.6 C. -3.6 D. -20.6

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Mathematics

Find the requested function value.Find (f ? g)(6) when f(x) = 5x - 6 and g(x) = -8x2 + 8x + 3.

A. 3 B. -1191 C. 9 D. -4413

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Mathematics

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log2

A. log₂m +  log₂n -  log₂k
B. 5 log₂m + 9 log₂n - 2 log₂k
C. log₂m +  log₂n - 2 log₂k
D. log₂m ?  log₂n ÷ 2 log₂k

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Mathematics

Factor out the GCF from the polynomial.x(y + 10) + 2(y +10)

A. (xy + 10x) + (2y + 20) B. 2x(y +10) C. (y +10)(x + 2) D. 10y(x + 2)

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Mathematics