5m Zen
G x f x k
G x f x k pictures 5
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G x f x
G x f x k
f x g x h x k x
f(x)u003d2x k g(x)u003d4x+5
let k x f g x ))
given g x )u003d f x )+ k
g x f x k c
g x )u003d f x )+ k
