Graph the parabola described.Focus at (0, 3); Directrix the line y = -3
A. 
B. 
C. 
D. 
Answer: D
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Write an equation for a function that has a graph with the given characteristics.The shape of y = 
is shifted 1.1 units to the left. This graph is then vertically stretched by a factor of 8.7. Finally, the graph is reflected across the x-axis.
A. f(x) = -8.7
B. f(x) = -8.7
C. f(x) = -1.1
D. f(x) = 8.7
Provide an appropriate response.Graph the equations y = 4x - 1 and y = - 
x + 2 on the same set of axes. These are perpendicular lines. Define perpendicular. How might one determine that these lines were perpendicular by examining the equations, but without actually graphing them?
What will be an ideal response?
What quantity of a 40% acid solution must be mixed with a 10% solution to produce 300 mL of a 30% solution?
What will be an ideal response?
Solve the problem.A long-distance runner runs 2 miles south and then 5 miles east. How far is the runner from the starting point? Round approximations to the nearest tenth. 
East --5 mi-->
A. 14.5 mi B. 2.7 mi C. 5.4 mi D. 3.5 mi