Ответ :
1
f(x)=x²,g(x)=2x+7
f(g(x))=(2x+7)²=4x²+28x+49
2
f(x)=√x,g(x)=3-4x
f(g(x))=√(3-4x)
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Answers & Comments
Ответ :
1
f(x)=x²,g(x)=2x+7
f(g(x))=(2x+7)²=4x²+28x+49
2
f(x)=√x,g(x)=3-4x
f(g(x))=√(3-4x)