Solve the problem.The slope of the tangent line to the hyperbola 5x2 - 7y2 - 217 = 0 at two points on the hyperbola is - 
. What are the coordinates of the points of tangency?
A. (7, 2) and (-7, -2)
B. (5, 7) and (-5, -7)
C. (7, -5) and (-7, 5)
D. (7, -2) and (-7, 2)
Answer: D
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Use the quotient rule to simplify.
A. 
B. 
C. 
D. 
Tell whether the graph opens upward or downward and whether the graph is wider, narrower, or the same as f(x) = x2.f(x) = -3x2
A. Upward, wider B. Downward, narrower C. Upward, narrower D. Downward, wider
Evaluate the expression to determine the entry missing from the table.
A. 2 ? -5 ? 3 is -30 B. 2 ? -5 ? -5 is -30 C. 3 ? -5 ? 3 is -45 D. 3 ? -5 ? 3 is -30
Provide an appropriate response.A printing press can produce 1 day's newspaper in 4 hours. A higher-speed machine can do 1 day's newspaper in 2 hours. How much time would it take both presses to do the one job?
A. 
hour
B. 1
hours
C. 3 hours
D. 6 hours