Solve the inequality.(x + 4)(x - 1) > 0
A. (-?, -4) or (1, ?)
B. (-?, -4)
C. (-4, 1)
D. (1, ?)
Answer: A
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Write the set by listing its elements.The set of letters needed to spell these words: toot, tot, too, to.
A. {t, t, o, o} B. {t, o, o} C. {t, t, o} D. {t, o}
Use the graph of f(x) = 
x - x5 and translations of graphs to sketch the graph of the equation. 
y = f(x) + 1
A. 
B. 
C. 
D. 
For the following systems of equations in echelon form, tell how many solutions there are in nonnegative integers.x - 5y + 8z = 60 2y + 5z = 44
A. 7 B. 9 C. 6 D. 5
Find the vertex, focus, and directrix of the parabola with the given equation.(x - 2)2 = -20(y - 3)
A. vertex: (2, 3) focus: (2, -2) directrix: y = 8 B. vertex: (-2, -3) focus: (-2, -8) directrix: y = 2 C. vertex: (2, 3) focus: (2, 8) directrix: x = -2 D. vertex: (3, 2) focus: (3, -3) directrix: y = 7