Determine the quadratic function whose graph is given.
A. f(x) = -x2 - 9
B. f(x) = x2 - 9
C. f(x) = -x2 + 9
D. f(x) = x2 + 9
Answer: C
Mathematics
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Solve the initial value problem.u''(x) = 12e2x - 12e-2x, u(0) = 8, u'(0) = 14
A. u = 3e2x + 3e-2x + 2x + 8 B. u = 3e2x - 3e-2x + 2x + 8 C. u = 3e2x + 3e-2x + 2x - 8 D. u = 3e2x - 3e-2x - 2x - 8
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Use the method of adding y-coordinates to graph the function.y = 2 sin x + sin 4x
A. 
B. 
C. 
D. 
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Solve the absolute value equation or inequality. Give the solution set in interval form.|x - 4| ? -10
A. (-?, ?) B. ? C. [8, 13] D. [6, 13]
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Find the asymptotes of the hyperbola.25y2 - 16x2 = 400
A. y = 
x and y = - 
x
B. y = 
x and y = - 
x
C. y = 
x and y = - 
x
D. y = 
x and y = - 
x
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