Find the foci of the given hyperbola.
- 
= 1
A. (-12, 4), (20, 4)
B. (4, -12), (4, 20)
C. (4, -16), (4, 24)
D. (4, 24), (4, -16)
Answer: D
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Reverse the order of integration and then evaluate the integral.
A. 
(1 - cos 4)
B. 
C. 
(1 - cos 4)
D. 
A car is driving north at a constant velocity of 64 miles per hour. Since velocity is constant, distance south, in miles, is a linear function. What is the slope of this linear function?
A. 64 miles per hour B. -64 miles per hour C. 0 miles per hour D. None of the above.
Graph the equation. Give the domain and range. Identify whether the equation is a function.y = -
A. 
[-6, 6]; [-1, 0]; function
B. 
[-6, 6]; [-6, 0]; function
C. 
[-6, 6]; [0, 6]; not a function
D. 
[-6, 6]; [0, 1]; not a function
Solve the problem.Island A is 150 miles from island B. A ship captain travels 250 miles from island A and then finds that he is off course and 160 miles from island B. What angle, in degrees, must he turn through to head straight for island B? Round the answer to two decimal places. (Hint: Be careful to properly identify which angle is the turning angle.)
A. 34.92° B. 110.17° C. 55.08° D. 145.08°