Let
f(x) = 2x + 9 if x < -2
f(x) = 5 - 2x if x >= -2
Find f(7).
Find f(7)
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\(f(x) = 2x + 9\ | if\ x < -2\\ \color{blue}f(x) = 5 - 2x\ |\ if\ x >= -2 \)
\(f(7)=5-2x=5-2\cdot 7=-9\)
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