3 years ago

How to tell if a relationship is proportional

1 answer:

3 0

<span>To see if multiple ratios are proportional, you could write them as fractions, reduce them, and compare them. If the reduced fractions are all the same, then you have proportional ratios.</span>

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Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.

weeeeeb [17]

Answer:

Hello,

Step-by-step explanation:

$f(x)=\dfrac{4}{x} \\\\g(x)=\dfrac{4}{x} \\\\\\(gof)(x)=f(g(x))=f(\dfrac{4}{x} )=\dfrac{4}{\dfrac{4}{x} } =\dfrac{4*x}{4} =x\\\\\\(fog)(x)=g(f(x))=g(\dfrac{4}{x} )=\dfrac{4}{\dfrac{4}{x} } =\dfrac{4*x}{4} =x\\$