Let\[f(x) = \begin{cases} 3x + 5 &\text{if }x<-3, \\ 7-4x&\text{if }x\ge -3. \end{cases} \]Find $f(5)$.
Hello dp1806!
\(Let\ f(x) = \begin{cases} 3x + 5 &\text{if }x<-3\ then\ {\color{blue}f(x)\in \{\mathbb{R}<-4\}} \\ 7-4x&\text{if }x\ge -3\ then\ \color{blue}f(x)\in \{\mathbb{R}\le19\} \end{cases} \\ Find\ f(5) \)
\(f(5)=3x+5=20\\ f(5)=7-4x=-13\)
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