Graph the circle.x2 + y2 = 16
A. 
B. 
C. 
D. 
Answer: D
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Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 12x - 8y + 36 = 0
A. Center (6, -4), r = 4
B. Center (-6, 4), r = 4
C. Center (6, 4), r = 4
D. Center (-6, -4), r = 4
Find the derivative.x8 - 2x7 - 4x3 + x
A. 8x7 - 14x6 - 12x2 + 1 B. x7 - 2x6 - 4x2 + 1 C. 8x9 - 14x8 - 12x4 D. 8x8 - 14x7 - 12x3 + x
Add or subtract as indicated.(6x + 18xy - 23y) - (26x - 11xy - 5y)
A. -20x - 29xy - 28y B. -12x + 20xy + 28 C. -9xy D. -20x + 29xy - 18y
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local minimum. What are the local minima?
A. f has a local minimum at x = -2; the local minimum is 0 B. f has a local minimum at x = -2 and 2; the local minimum is 0 C. f has a local minimum at x = 0; the local minimum is 3 D. f has no local minimum