2. f : N → N, f(x) = 2x + 3, g : N → N, g(x) = 5x + 7, તો fog: N → N, fog(x) = …........
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Answer:
10x + 17
Step-by-step explanation:
fog = f(g(x)) = 2(5x+7) + 3
= 10x + 14 + 3
= 10x +17
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