Question 370462
f(x)=-4x/7 - 16/7
y=-4x/7 - 16/7
x=-4y/7 - 16/7
4y/7= -x - 16/7
4y/7= -x - 16/7
y=-7x/4 - 4
f^-1(x)=-7x/4 - 4 The inverse of f(x)
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Are you trying to do a f(g(x)) rather than an inverse? They are not the same.
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Ed