5. . f(x) = 3x + 7 vag (+1) = -1 funksiyalar berilgan bo'lsa, g(f(4) ning qiymatini toping. A) 5 B) 6 C) 7 D) 8

Let's solve this problem step by step. First, we need to find the value of f(4). f(x) = 3x + 7 f(4) = 3(4) + 7 = 12 + 7 = 19 So, f(4) = 19. Now, we are given g(x/2 + 1) = x/4 - 1. We need to find g(f(4)) = g(19). Let x/2 + 1 = 19. Then, x/2 = 19 - 1 = 18. So, x = 2 * 18 = 36. Now we substitute x = 36 into g(x/2 + 1) = x/4 - 1: g(36/2 + 1) = 36/4 - 1 g(18 + 1) = 9 - 1 g(19) = 8 Therefore, g(f(4)) = g(19) = 8. Thus, the correct answer is D) 8.

Ответ: 8

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