Explanation: 
Another Explanation (5):
bài giải chi tiết:
\(f(x) = x^2 + 4\) এবং \(g(x) = 2x - 1\)
\(g\{f(x)\}\) নির্ণয় করতে হবে।
\(g\{f(x)\} = g(x^2 + 4)\) [যেহেতু \(f(x) = x^2 + 4\)]
এখন, \(g(x) = 2x - 1\) সুতরাং, \(g(x^2 + 4) = 2(x^2 + 4) - 1\)
\(= 2x^2 + 8 - 1\)
\(= 2x^2 + 7\)
সুতরাং, \(g\{f(x)\} = 2x^2 + 7\)
উত্তর: \(2x^2 + 7\) 🎉