Find the dot product v ? w.v = 12i + 4j,
w = -5i - 7j
A. -32
B. -88
C. -28
D. -60
Answer: B
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Translate the sentence to an algebraic inequality.The height of a member of the basketball team is at least 80 inches.
A. x ? 80 B. x < 80 C. x > 80 D. x ? 80
Differentiate. 
What will be an ideal response?
Find all values of x (if any) where the tangent line to the graph of the function is horizontal.y = x3 + 4x2 - 11x + 11
A. 
, -1
B. - 
, 1
C. - 
, 
, 1
D. 1
Leo Moser studied the effect that two face-to-face panes of glass have on light reflected through the panes. If a ray is not reflected, it has just one path through the glass. If it has one reflection, it can be reflected two ways. For two reflections, it can be reflected three ways. Make a conjecture about the number of paths for n reflections.
A. 1, 2, 3, 5, 7,.... B. 1, 2, 3, 4, 7,.... C. 1, 2, 3, 4, 5,.... D. 1, 2, 3, 5, 8,.... E. 1, 2, 3, 6, 12,....