Solve.The time to drive a fixed distance varies inversely as the rate. If the rate increases, what happens to the time?
A. It decreases.
B. It stays the same.
C. There is not enough information.
D. It increases.
Answer: A
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Use an Euler diagram to determine whether the argument is valid or invalid.Some cars are considered sporty.Some cars are safe at high speeds.? Some sports cars are safe at high speeds.
A. Invalid B. Valid
Solve the problem.A 400-milliliter bag of 5% D/W solution IV contains 12 units of pitocin. If a patient receives 0.002 unit per minute, how many milliliters is she receiving in an hour?
A. 6 ml/hr B. 3 ml/hr C. 4 ml/hr D. 5 ml/hr
Find the focus and directrix of the parabola with the given equation.y2 = 36x
A. Focus: (0, -9), directrix: y = 9 B. Focus: (0, 9), directrix: y = -9 C. Focus: (9, 0), directrix: x = -9 D. Focus: (-9, 0), directrix: x = 9
Determine whether the formula determines y as a function of x.y2 = (x - 7)(x + 7)
A. Yes B. No