Jawab:
f(x) = 1 - 1/x
y = 1 - 1/x
y = (x-1)/x
xy = x-1
xy - x = -1
x(y - 1) = -1
x = -1/y-1
f^-1(x) = -1/x-1 (e)
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Jawab:
f(x) = 1 - 1/x
y = 1 - 1/x
y = (x-1)/x
xy = x-1
xy - x = -1
x(y - 1) = -1
x = -1/y-1
f^-1(x) = -1/x-1 (e)