Simplify the expression. (Remember the order of operations.)12 + 2 - (-2)
A. 16
B. -16
C. 8
D. 12
Answer: A
Mathematics
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Write the mixed number as an improper fraction.6
A. 
B. 
C. 
D. 
Mathematics
Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x + 5)2 - 7
A. (-5, 7), up B. (-5, -7), down C. (5, 7), down D. (5, -7), up
Mathematics
Factor completely.7x2 - 84x + 224
A. 7(x - 4)(x - 8) B. (x + 4)(7x + 56) C. (7x + 4)(x + 8) D. 7(x + 4)(x + 8)
Mathematics
Find any inflection points given the equation.f(x) = ex - 3e-x - 4x
A. Inflection point at (0, -2)
B. Inflection point at (2, -1)
C. Inflection point at (ln 3, 2 - 4 ln 3)
D. Inflection point at 
Mathematics