Function g is related to a parent function f(x) = cos (x).
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g(x) = cos (8x - ?) + 7
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Describe the sequence of transformation from f to g.
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A. One cycle of g(x) corresponds to the interval [?, 3?] and g(x) is obtained by shifting f(x) downward 7 units.
B. One cycle of g(x) corresponds to the interval 
and g(x) is obtained by shifting f(x) upward 7 units.
C. One cycle of f(x) corresponds to the interval 
and g(x) is obtained by shifting g(x) upward 7 units.
D. One cycle of g(x) corresponds to the interval 
and g(x) is obtained by shifting f(x) downward 7 units.
E. One cycle of g(x) corresponds to the interval [?, 3?] and g(x) is obtained by shifting f(x) upward 7 units.
Answer: B
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