3(7)^2 = 3 \times 49 = 147

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• g(3) = 2(3) + 1 = 7
• Now substitute \( x = g(3) = 7 \) into \( T(x) \):
• T(7) = 3(7)^2 - 2(7) + 5
• -2(7) = -14
• T(7) = 147 - 14 + 5 = 138
• \boxed{138}

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