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| 1. |
Let `f(x)=f_(1)(x)-2f_(2)(x),` where `f_(1)(x)={{:(min{x^(2),|x|}",",|x|le1),(max{x^(2),|x|}",",|x|gt1):}` `"and "f_(2)(x)={{:(min {x^(2),|x|}",",|x|gt1),(max{x^(2),|x|}",",|x|le1):}` `"and let "g(x)={{:(min{f(t),-3letlex,-3lexlt0}),(max{f(t),0letltx,0lexle3}):}` For `x in(-1,00),f(x)+g(x) `isA. `x^(2)-2x+1`B. `x^(2)+2x-1`C. `x^(2)+2x+1`D. `x^(2)-2x-1` |
| Answer» Correct Answer - b | |