Definition:Linear Real Function
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Definition
Let $f$ be a real function.
$f$ is called linear if and only if it has the form:
- $\forall x \in \R: \map f x = ax + b$
where $a$ and $b$ are real numbers.
Also see
- Results about linear real functions can be found here.
Sources
- Weisstein, Eric W. "Linear Function." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/LinearFunction.html