Find the vertices and graph the hyperbola.4x2 - y2 = 64
A. (-4, 0), (4, 0)
B. (-4, 0), (4, 0)
C. (0, -8), (0, 8)
D. (-8, 0), (8, 0)
Answer: B
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Rewrite as an equivalent logarithmic equation. Do not solve.2-3 = 
A. 2 = log 3 
B. -3 = log 8 2
C. 
= log 2 -3
D. -3 = log 2 
A point on the terminal side of an angle ? is given. Find the exact value of the indicated trigonometric function of ?.(-3, 4)Find sin ?.
A. 
B. - 
C. 
D. - 
Find a rectangular equation for the plane curve defined by the parametric equations.x = 5 cos t, y = -2 sin t; 0 ? t ? 2?
A. 4x2 - 25y2 = 100; x ? 5
B. 4x2 + 25y2 = 1; - 
? x ? 
C. 4x2 - 25y2 = 1; x ? 
D. 4x2 + 25y2 = 100; -5 ? x ? 5
Solve the problem.The number of dislocated electric impulses per cubic inch in a transformer increases when lightning strikes by D(x) = 7700(3)x, where x is the time in milliseconds of the lightning strike. Find the number of dislocated impulses at x = 0 and x = 5.
A. 7700; 207,900 B. 23,100; 1,871,100 C. 7700; 115,500 D. 7700; 1,871,100