Solve the quadratic inequality. Graph the solution.x2 ? 49
A. (-?, -7] ? [7, ?)
B. [7, ?)
C. [-7, 7]
D. (-?, -7) ? (7, ?)
Answer: A
Mathematics
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What will be an ideal response?
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Find the value of (f ? g)' at the given value of x.f(u) = sin2 ?u + u, u = g(x) = -x, x = 6
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