Maths - Compound Functions

Created: July 05, 2021 | Read markdown | About these notes | View in context | Study these flashcards | Expand all

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Flashcards

What does $fg(x)$ mean?

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\[f(g(x))\]

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

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\[f(f(x))\]

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

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\[\alpha(\beta(x))\]

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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