7.
已知幂函数\(f\left( x \right)={{\left( m-1 \right)}^{2}}{{x}^{{{m}^{2}}-4m+2}}\)在\(\left( 0,+\infty \right)\)上单调递增,函数\(g\left( x \right)={{2}^{x}}-k\).
\((\)Ⅰ\()\)求\(m\)的值;
\((\)Ⅱ\()\)当\(x\in \left[ 1,2 \right]\)时,记\(f\left( x \right)\),\(g\left( x \right)\)的值域分别为集合\(A,\,B\),设命题\(p:x\in A\),命题\(q:x\in B\),若命题\(p\)是\(q\)成立的必要条件,求实数\(k\)的取值范围.