ANSWER
B. The functions f(x) and g(x) because f(g(x))=g(f(x))=x
EXPLANATION
The given functions are:
and
If f(x) and g(x) are inverses, then
f(g(x))=x
Expand the parenthesis to obtain,
Also,
Hence f(x) and g(x) are inverses
The table below shows a direct variation. What is the value of m? x y 12 24 18 m 24 48 2 24 30 36
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