1)f(x)=5+|x|
f(x)∈[5;+∞)
2)f(x)=√(1-x^2)
x∈[-1;1]
f(x)∈[0;1]
3)f(x)=1/(x^2+1)
f(x)∈(0;1]
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1)f(x)=5+|x|
f(x)∈[5;+∞)
2)f(x)=√(1-x^2)
x∈[-1;1]
f(x)∈[0;1]
3)f(x)=1/(x^2+1)
f(x)∈(0;1]
Verified answer