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1. |
\[f(x)=\left| x-1 \right|,f:{{R}^{+}}\to R\] and \[g(x)={{e}^{x}},\] \[g:[(-1,\infty )\to R].\] If the function fog (x) is defined, then its domain and range respectively are |
A. | \[(0,\infty )\,\,and\,\,[0,\infty )\] |
B. | \[[-1,\infty )\,\,and\,\,[0,\infty )\] |
C. | \[[-1,\infty )and\left[ 1-\frac{1}{e},\infty \right)\] |
D. | \[[-1,\infty )and\left[ \frac{1}{e}-1,\infty \right)\] |
Answer» C. \[[-1,\infty )and\left[ 1-\frac{1}{e},\infty \right)\] | |