Solve the polynomial inequality. Express the solution using interval notation.x2 + 7x + 12 > 0
A. (-3, ?)
B. (-4, -3)
C. (-?, -4)
D. (-?, -4) ? (-3, ?)
Answer: D
Mathematics
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Determine whether the function is a probability density function over the given interval.f(x) = 
x, 1 ? x ? 3
A. No B. Yes
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Write as a proportion.6 is to 8 as 12 is to 16.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
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Simplify the given expression.7(w - 6) + 7
A. 7w + 35 B. 7w - 49 C. 7w - 35 D. 7w + 49
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Find the LCD. Do not combine fractions.
, 
A. (x + 6)(x - 1) B. (x - 3)(x + 6) C. (x + 3)(x - 6)(x - 1) D. (x - 3)(x + 6)(x - 1)
Mathematics