如图,一次函数\(y=k_{1}x+b\)与反比例函数\(y=\dfrac{{k}_{2}}{x} \)的图象交于\(A(4,6)\),\(B(n,-4)\)两点.
\(⑴\)求一次函数与反比例函数的解析式;
\(⑵\)根据所给条件,请直接写出不等式\(k_{1}x+b > \dfrac{{k}_{2}}{x} \)的解集;
\(⑶\)若\(P(p,y_{1})\),\(Q(-4,y_{2})\)是函数\(y=\dfrac{{k}_{2}}{x} \)图象上的两点,且\(y_{1}\geqslant y_{2}\),写出实数\(p\)的取值范围.