semoga membantu ya...
f(x-2) = 3-2x
(gof)(x+2) = 5 - 4x
f(x-2) = 3 -2x > -f(x+2) = -3+2x
(gof)(x+2) = g(-f(x+2) = 5 - 4x
g(-3+2x) = 5 -4x
g(x) = 5 -4x + 3 - x
g(x) = 8 - 5x
g(-1) = 8 - 5(-1)
g(-1) = 13
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semoga membantu ya...
f(x-2) = 3-2x
(gof)(x+2) = 5 - 4x
f(x-2) = 3 -2x > -f(x+2) = -3+2x
(gof)(x+2) = g(-f(x+2) = 5 - 4x
g(-3+2x) = 5 -4x
g(x) = 5 -4x + 3 - x
g(x) = 8 - 5x
g(-1) = 8 - 5(-1)
g(-1) = 13