F(x)= 4x g(x)= x-1 F?g(x) g?f(x) F(x-1) g (4x) F= 4(x-1) g= (4x-1) F= 4x-4 D: {x: x ? R} F(x)= 10x + 3 g(x)= 2x + 5 F?g(x) g?f(x) F (2x + 5) g (10x + 3) F=10(2x + 5) + 3 g= 2(10x + 3) + 5 F= 20x +53 g= 20x + 11 D: {x: x ? R}
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