Find functions f and g so that f ? g = H.H(x) = ?3x + 6?
A.
| f(x) = x; | g(x) = 3x + 6 |
B.
| f(x) = ?x?; | g(x) = 3x + 6 |
C.
| f(x) = ?-x?; | g(x) = 3x - 6 |
D.
| f(x) = -?x?; | g(x) = 3x + 6 |
Answer: B
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