Find the vertex, focus, and directrix of the parabola. Graph the parabola.x2 - 8x + 4y + 28 = 0
A. vertex: (4, -3)
focus: (5, -3)
directrix: x = 3
B. vertex: (4, -3)
focus: (3, -3)
directrix: x = 5
C. vertex: (4, 3)
focus: (4, 2)
directrix: y = 4
D. vertex: (4, -3)
focus: (4, -4)
directrix: y = -2
Answer: D
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Choose the ordered pair which is a solution of the inequality.2x + 3y < 5
A. (1, 1)
B. (2, 2)
C. 
D. (3, 2)
Solve the problem.The town of Appleville recorded the following dates and populations.YEARPOPULATION (in thousands)19958.5200010200513201019
Draw a graph of the population as a function of time. What was the approximate population of Appleville in 2002?
A. 13,000 B. 10,000 C. 11,000 D. 12,000
Provide an appropriate response.Solve: 
= x - 4
Fill in the blank(s) with the appropriate word(s).
Explain how the graph of f can be obtained from the graph of y = 
or y = 
. f(x) = 
A. Shift the graph of y = 
to the right 7 units.
B. Shift the graph of y = 
to the left 7 units.
C. Stretch the graph of y = 
vertically by a factor of 7.
D. Stretch the graph of y = 
vertically by a factor of 7 and reflect across the x-axis or the y-axis.