Find an equation of a parabola satisfying the given conditions.Vertex (0, 0), focus (-6, 0)
A. y2 = -24x
B. y2 = - 
x
C. y2 = -6x
D. x2 = -24y
Answer: A
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Evaluate the derivative of the given function for the given value of x.y = (9x4 + 0.5x2 + 3)(2x - 2x2), x = 2.5
A. -2682.6562 B. -7099 C. -4520 D. -4237.5
Solve the problem.The rabbit population in a forest area grows at the rate of 4% monthly. If there are 230 rabbits in September, find how many rabbits (rounded to the nearest whole number) should be expected by next September. Use 
A. 383 B. 298 C. 370 D. 357
Write the standard form of the equation of the circle with radius r and center (h, k).r = 
; (h, k) = (0, 9)
A. (x - 9)2 + y2 = 169 B. x2 + (y - 9)2 = 13 C. x2 + (y + 9)2 = 13 D. (x + 9)2 + y2 = 169
Perform the indicated operations. Write the resulting polynomial in standard form.-6(x2 + 8x + 1) + (2x2 - x - 6)
A. -4x2 - 49x - 12 B. -4x2 - 48x - 12 C. -8x2 - 49x - 12 D. -4x2 - 49x - 5