Express the following in interval notation.
A. [0, 4]
B. (0, 4)
C. (-?, 0) ? (4, ?)
D. (-?, 0] ? [4, ?)
Answer: C
Mathematics
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A. ? B. 4? C. 6? D. 2?
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Solve the system by elimination.3x - y = 45x + y = 20
A. {(x, y)|3x - y = 4} B. {(5, 3)} C. {(3, 5)} D. ?
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Use a truth table to determine whether the argument is valid.p ? q
~q
A. Valid B. Invalid
Mathematics
Indicate whether the equation represents an ellipse, hyperbola, circle, or parabola. In equations that contain both x2 and y2 terms, divide both sides of the equation by the constant term to put the equation in a more recognizable form.2y2 + 3x - 5y = 2
A. Circle B. Hyperbola C. Parabola D. Ellipse
Mathematics