Identify the solution set to the inequality by inspecting the graph.-x2 + 2x ? -5x + 10 
A. (-?, 2] ? [5, ?)
B. (2, 5) ? (5, ?)
C. [2, 5]
D. (-?, -2) ? (5, ?)
Answer: A
Mathematics
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Decide whether or not the given equation is an identity.cos 2x = sin 2x tan x
A. Yes B. No
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Write the equation of the indicated line. Write the equation in slope-intercept form.The line parallel to 7x - 8y = 10 that passes through (5, 5)
A. y = 
x + 
B. y = - 
x + 
C. y = 
x - 
D. y = 
x + 5
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Multiply.
A. 370,000 B. 361,000 C. 359,000 D. 360,000
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An augmented matrix that represents a system of linear equations (in variables x, y, and z) has been reduced using Gauss-Jordan elimination. Write the solution represented by the augmented matrix.
A. x = 0, y = 0, z = 0 B. x = 2x, y = 4y, z = 3z C. x = 2, y = 3, z = 4 D. x = -2, y = -3, z = -4 E. x = 2, y = 0, z = 0
Mathematics