$x$ | $f(x)$ |
---|---|
$1$ | $-64$ |
$2$ | $0$ |
$3$ | $64$ |
For the linear function $f$, the table shows three values of $x$ and their corresponding values of $f(x)$. Function $f$ is defined by $f(x)=ax+b$, where $a$ and $b$ are constants. What is the value of $a-b$?
Difficulty: Hard
Sponsored Ads