Find the vertex, focus, and directrix of the parabola with the given equation.(y + 4)2 = -4(x - 3)
A. vertex: (3, -4)
focus: (2, -4)
directrix: x = 4
B. vertex: (-4, 3)
focus: (-5, 3)
directrix: x = -3
C. vertex: (-3, 4)
focus: (-4, 4)
directrix: x = -2
D. vertex: (3, -4)
focus: (4, -4)
directrix: x = 2
Answer: A
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Multiply. Write the answer in simplest form.27x2 ? 
A. 
B. 12x2
C. 
D. 16x2
A certain species of turtle faces extinction because dealers collect truckloads of turtle eggs to be sold as aphrodisiacs. After severe conservation measures are implemented, it is hoped that the turtle population will grow according to the rule 
,
where 
denotes the population at the end of year 
.
?
Find the rate of growth of the turtle population when 
.
?
A. 31 turtles/yr
B. 32 turtles/yr
C. 30 turtles/yr
D. 29 turtles/yr
E. 28 turtles/yr
Solve the equation.54x = 125
A. 
B. 
C. 
D. 
Perform the indicated arithmetic.19
- 
A. 19
B. 18
C. 17
D. 18