Answer the question.How can the graph of f(x) = 0.2(x + 1)2 - 12 be obtained from the graph of y = x2?
A. Shift it horizontally 1 units to the left. Shrink it horizontally by a factor of 0.2. Shift it 12 units down.
B. Shift it horizontally 1 units to the left. Shrink it vertically by a factor of 0.2. Shift it 12 units down.
C. Shift it horizontally 12 units to the left. Stretch it vertically by a factor of 4. Shift it 1 units down.
D. Shift it horizontally 1 units to the right. Shrink it vertically by a factor of 0.2. Shift it 12 units up.
Answer: B
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Rewrite the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the trigonometric expression without the use of a calculator.
A. 
B. - 
C. -
D. 
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