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থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

যদি f(x)= x2 + 2x - 3 এবং g(x) = 3x - 4 হয় তবে, g(f(2))- এর মান কত?

A. 5
B. 4
C. 11
D. 6
সঠিক উত্তরঃ C. 11
Explanation:

Another Explanation (5): ```html
bài toán: cho f(x)= x2+ 2x - 3 và g(x) = 3x - 4 , hãy tính giá trị của g(f(2))
Giải:
Đầu tiên, ta tìm giá trị của f(2):
\( f(2) = (2)^2 + 2*(2) - 3 \)
\( f(2) = 4 + 4 - 3 \)
\( f(2) = 5 \) 🎉
Bây giờ, ta tìm giá trị của g(f(2)), tức là g(5):
\( g(f(2)) = g(5) = 3*(5) - 4 \)
\( g(5) = 15 - 4 \)
\( g(5) = 11 \) ✨
Vậy, g(f(2)) = 11.
Đáp án: 11 ✅
```