Find the standard form of the equation of the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: B
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Match the graph with its corresponding function.
A. g(x) = 0.25|x + 6| - 3 B. g(x) = 3|x - 6| + 0.25 C. g(x) = 0.25|x - 6| + 3 D. g(x) = 3|x + 6| - 0.25
Find the probability of the event.A bag contains 19 balls numbered 1 through 19. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 
B. 9
C. 
D. 
Solve the system of equations.
A. x = 0, y = 5, z = 0 B. x = 0, y = 0, z = 5 C. inconsistent (no solution) D. x = 3, y = 5, z = 0
Solve the problem. A wild animal preserve can support no more than 130 elephants. 49 elephants were known to be in the preserve in 1980. Assume that the rate of growth of the population is 
= 0.0007P(130 - P)where t is time in years. Find a formula for the elephant population in terms of t.
A. P = 
where t is the number of years since 1980
B. P = 
where t is the number of years since 1980
C. P = 
where t is the number of years since 1980
D. P = 
where t is the number of years since 1980