Mathematics: confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = x3 + 4 and g(x) = cube root of quantity x minus four.

confirm that f and g are inverses by showing that

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Student005

30.09.2021

Mathematics

$\frac{7}{3}$ or $1\frac{2}{3}$

Step-by-step explanation:

Plug in the value for x (-5) into the equation: $\frac{|(-5)+2|}{(-5)+2}$

The "bars" around the numerator | | are asking for absaloute value, so we can remove them from the equation by displaying each number's absaloute value (Absaloute value describes how many units away from zero the number is, so the absaloute value of a number is always going to be positive:

$\frac{5+2}{(-5)+2}$

Now simplify to get your

$\frac{7}{3}$ , this can also be reduce to $1\frac{2}{3}$

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confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x.
f(x) = x3 + 4 and g(x) = cube root of quantity x minus four.

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