QuestionFind $f(x)=\operatorname{int}(2 x)$ for: (a) $f(3.3)$, (b) $f(2.8)$, (c) $f(-3.2)$.

Studdy Solution
The greatest integer less than or equal to $-6.4$ is $-7$. So, $f(-3.2) = -7$.
So, the solutions are $f(3.3) =6$, $f(2.8) =5$, and $f(-3.2) = -7$.