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3. (8 points) Let \( f:[a, b] \longrightarrow \mathbb{R} \) be continuous. (a) If ...
Good day!
Thanks
3. (8 points) Let \( f:[a, b] \longrightarrow \mathbb{R} \) be continuous. (a) If \( f(x)>0 \) for all \( x \in[a, b] \), show that there exists \( m>0 \) such that \( f(x)>m \) for all \( x \in[a, b] \).