The graph of function $f$ passes through $(7,-1)$. Function $g$ satisfies $f(g(x)) = x$ and $g(f(x)) = x$ for all real numbers. What point must the graph of $g$ pass through?
What point must the graph of g pass through? Function f passes through (7,-1).
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f(x) = x - 8
x | -4 -3 -2 -1 0 1 2 3 4
f(x) = z | -12 -11 -10 -9 -8 -7 -6 -5 -4
g(z) = z + 8
g(f(x)) | -4 -3 -2 -1 0 1 2 3 4
Point (-7,1) must the graph of g pass through.
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