Give the focus, directrix, and axis for the parabola.x = 9y2
A. 
, x = - 
, x-axis
B. 
, x = - 
, x-axis
C. 
, y = - 
, y-axis
D. 
, x = 
, x-axis
Answer: A
Mathematics
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Solve for the indicated variable.P = 30,000 ? et/3, for t
A. t = 30 ? ln P
B. t = ln (30 P)
C. t = 3 ? ln 
D. t = 3 ? ln 
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Evaluate. Round to the nearest thousandth, if necessary.log 242
A. 2.386 B. 2.384 C. 2.382 D. 5.489
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Test the equation for symmetry with respect to the x-axis, the y-axis, and the origin. Sketch the graph of the equation.
y² = | x | + 2
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Add or subtract as indicated.
A. 323.387 B. 323.477 C. 323.487 D. 323.377
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