Find the equation of the parabola satisfying the given conditions. The vertex is at the origin.Directrix y = 9
A. y2 = -36x
B. x2 = -36y
C. y = - 
x2
D. y2 = -9x
Answer: B
Mathematics
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The wages of the employees of a company are presented in this histogram. Answer the question.
What percent of the employees earn $10 or more an hour (to the nearest tenth of a percent)?
A. 32.4% B. 63.5% C. 67.6% D. 31.6%
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Approximate the natural logarithm with a scientific calculator. Round to four decimal places.ln 0.00041
A. 3.3872 B. -3.3872 C. 7.7994 D. -7.7994
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Determine the specific solutions (if any) to the equation on the interval [0, 2?).tan2 ? sin ? = tan2 ?
A. 0, ?
B. 0, 
C. 
, ?
D. 
, 2?
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Using the horizontal-line test, determine whether the function is one-to-one.
A. one-to-one B. not one-to-one
Mathematics