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Solve the compound inequality 9 + 3n >= 6 or 5n < 25.

An less than or greater to −1 or n < 5
Bn greater than or equal to −5 or n > 5
Cn greater than or equal to −1 or n < 5
Dn less than or greater to −5 or n > 5

Verified Answer :

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\(9+3n \geq 6 \ \lor \ 5n\ \textless \ 25 \\ 3n \geq 6-9 \ \lor \ n \ \textless \ \frac{25}{5} \\ 3n \geq -3 \ \lor \ n \ \textless \ 5 \\ n \geq \frac{-3}{3} \\ n \geq -1 \\ \\ \boxed{n \geq -1 \hbox{ or } n\ \textless \ 5} \\ \\ \hbox{answer C}\)

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