Use L'Hospital's rule to find the limit.
A. 0
B. ?
C. 1
D. -?
Answer: A
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Find the vertex of the parabola and determine if it is a maximum or minimum. y = 2x2 + 12x + 20
A. (-3, 2); minimum B. (-3, -2); minimum C. (-3, 2); maximum D. (-3, -2); maximum
Determine whether the graph of f opens upward or downward and whether the graph is wider, narrower, or the same as the graph of 
Find the axis of symmetry and the vertex. Find the y-intercept and any x-intercepts. Sketch a graph of f.f(x) = - 
x2 - x + 4
What will be an ideal response?
Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
= 8, 
= 5, ? = 48°
A. 26.8 B. 59.8 C. 19.4 D. 8.7
Factor completely. If the polynomial is prime, state so.25x2 - 81y2
A. (5x - 9y)2 B. (5x + 9y)2 C. (5x + 9y)(5x - 9y) D. prime