Find the vertex of the parabola.(x + 2)2 = -32(y - 5)
A. (-2, -3)
B. (5, -2)
C. (-2, -5)
D. (-2, 5)
Answer: D
Mathematics
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Determine the largest open intervals of the domain over which the function is increasing, decreasing, and constant.
A. Increasing (3, ?); Decreasing (-3, ?); Constant (-3, 3) B. Increasing (-?, 3); Decreasing(-?, -3); Constant (-3, 3) C. Increasing (3, ?); Decreasing (-?, -3); Constant (-3, 3) D. Increasing (-?, 3); Decreasing (-3, ?); Constant (-3, 3)
Mathematics
Multiply.(5 + 6i)(2 - 3i)
A. 28 + 3i B. 28 - 3i C. -18i2 - 3i + 10 D. -8 + 27i
Mathematics
Find the equation of the axis of symmetry.
f(x) = x² – 2x
Mathematics
Evaluate the expression. ? -7|-7| ?
A. -16 B. 42 C. -21 D. 45 E. -49
Mathematics