Maths - Compound Functions

Flashcards

What does $fg(x)$ mean??

$$ f(g(x)) $$

What does $f^2(x)$ mean??

$$ f(f(x)) $$

What does $\alpha \circ \beta (x)$ mean??

$$ \alpha(\beta(x)) $$

If the domain for $g(x) = x^2 - 3$ is $$x \in \mathbb{R}, x \ge 0$$ What is the domain for $gf(x)$ where $f(x) = 5x - 2$??

$$ x \ge \frac{2}{5} $$

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date: 2021-07-05 11:15
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title: Maths - Compound Functions