The center of a circle is at (-2, - 7) and its radius is 6.

What is the equation of the circle?

A. (x-2) 2 + (y-7) 2=3

B. (x+2) 2 + (y+7) 2=3

C. (x+2) 2 + (y+7) 2=36

D. (x-2) 2 + (y-7) 2=36

Round 2815 to nearest thousand

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Write the equation of a circle with a center at (2.5, - 3.5) and a diameter of 12. Choices are x + 2.5) 2 + (y - 3.5) 2 = 12 (x - 2.5) 2 + (y + 3.5) 2 = 36 (x + 2.5) 2 + (y - 3.5) 2 = 36 (x - 2.5) 2 + (y + 3.5) 2 = 144

1. f (x) = (x 81+2 What is the domain?

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