Find an equation for the parabola described.Focus at (0, -9)
A. x2 = -36y
B. y2 = -9x
C. x2 = 36y
D. y2 = -36x
Answer: A
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Solve the problem.The map shows the states Tennessee, Alabama, Georgia, and Mississippi. Find a route that starts in Mississippi and crosses each common state border exactly one time.
A. MS ? TN? AL ? MS ? GA B. No such route exists. C. MS ? AL ? TN ? GA ? MS ? TN D. MS ? TN ? GA ? MS ? TN ? AL
Find the velocity, acceleration, and speed of an object with position function r(t) = 4 sinti + costj for t =  figures 4.png)
. Sketch the path of the object and its velocity and acceleration vectors.
What will be an ideal response?
Express the number in scientific notation.0.000971
A. 9.71 × 104 B. 9.71 × 10-3 C. 9.71 × 10-4 D. 9.71 × 10-5
Solve the problem.The demand equation for a certain product is P = 25 - 0.001x, where x is the number of units sold per week and P is the price in dollars at which one is sold. The weekly revenue R is given by 
What number of units sold produces a weekly revenue of $80,000?
A. 2870 units B. 79,975,000 units C. 3768 units D. 21,232 units