Find the relationship between the graphs of f and g. Consider amplitude, period, and shifts.
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f(x) = cos 2x
g(x) = -cos 2x
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A. g is a shift of f ? units to the left.
B. g is a reflection of f in the x-axis.
C. g is a shift of f ? units to the right.
D. g is a shift of f 2 units to the upward.
E. g is a reflection of f in the y-axis.
Answer: B
Mathematics
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