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Direction:Evaluate the functions according to its given domain.
1. f(x) = 2x - 5; f(2)
2.f(x) = x²; f(4)
3.f(x) = x² + 3x + 3; f(2)
4.h(x) = x + 3; h(-x + 2)
5.g(x) = x + 5; g(1)​