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حدد نطاق
.h(x)=1+xh(x)=1+xh(x)=1+x
R−R-R−{1,2}
RRR
R−R-R−{2,-2}
.h(x)=1−x2h(x)=1-x^2h(x)=1−x2
(-∞,1]
R−R-R−{1,-1}
.h(x)=x−1h\left(x\right)=\sqrt{x-1}h(x)=x−1
[0,∞)[0,∞)[0,∞)
[1,∞)[1,∞)[1,∞)
[−1,∞)[-1,∞)[−1,∞)
حدد نطاق f(x)=sinsinxf(x)=\sin\sin xf(x)=sinsinx.
RRR-{0}
[−1,1][-1,1][−1,1]
.g(x)=11−xg(x)=\frac{1}{1-x}g(x)=1−x1
R−R-R−{-1}
.f(x)=x−5f\left(x\right)=\sqrt{x-5}f(x)=x−5
R−(−1,1)R-(-1,1)R−(−1,1)
[5,∞)[5,∞)[5,∞)
.g(x)=11−x2g\left(x\right)=\frac{1}{1-x^2}g(x)=1−x21
R−R-R−[0,1]
.g(x)=x2−1g\left(x\right)=\sqrt{x^2-1}g(x)=x2−1
(−1,1)(-1,1)(−1,1)
.f(x)=1−x2f\left(x\right)=\sqrt{1-x^2}f(x)=1−x2
R−(−1,1)R−(−1,1)R−(−1,1)
[0,1][0,1][0,1]
.g(x)=1x2g\left(x\right)=\frac{1}{x^2}g(x)=x21
إنتهى الإختبار.