Solve the problem.The curves y = ax2 + b and y = 2x2 + cx have a common tangent at the point (-1, 0). Find a, b, and c.
A. a = 1, b = 0, c = 2
B. a - 2, b = 1, c = -1
C. a = -1, b = 1, c = -2
D. a = 1, b = -1, c = 2
Answer: D
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. If the bread cools to 
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A. 27 min B. 19 min C. 8 min D. 7 min
Use L'H
pital's rule to find the limit.
x
A. ? B. 1 C. 0 D. 4
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Explain how to obtain the graph of the second function from the graph of the first function, or state that the graphs are identical.y = cos x, y = cos 
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B. Reflect the graph over the y-axis, and then translate it 
to the left.
C. Reflect the graph over the y-axis, and then translate it 
to the right.
D. Reflect the graph over the x-axis, and then translate it 
to the left.