Provide an appropriate response.If the vertex of the graph of a quadratic function lies in quadrant III and the graph is concave down, how many x-intercepts does the graph have?
A. 0
B. 2
C. 3
D. 1
Answer: A
Mathematics
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Provide an appropriate response.Use the Intermediate Value Theorem to prove that 7x3 + 9x2 - 6x - 5 = 0 has a solution between -2 and -1.
What will be an ideal response?
Mathematics
Choose the most reasonable unit of measure.A newborn baby: 3211 
(mg, g, or kg)
A. kg B. g C. mg
Mathematics
Solve the linear equation algebraically.17(x - 68) = 34
A. 34 B. 66 C. 68 D. 70
Mathematics
Given functions f and g, determine the domain of f + g.f(x) = 3x2 - 6, g(x) = 2x3 + 8
A. (-?, ?) B. (0, ?) C. (-?, 0) or (0, ?) D. (-?, -3) or (-3, -2) or (-2, ?)
Mathematics