  We unravel the polaronic properties of impurities immersed in a correlated
trapped one-dimensional (1D) Bose-Bose mixture. This setup allows for the
impurities to couple either attractively or repulsively to a specific host,
thus offering a highly flexible platform for steering the emergent polaronic
properties. Specifically, the polaronic residue peak and strength of induced
interactions can be controlled by varying the coupling of the impurities to the
individual bosonic components. In particular, it is possible to maintain the
quasiparticle character for larger interaction strengths as compared to the
case of impurities immersed in a single bosonic species. We explicate a
hierarchy of the polaron binding energies in terms of the impurity-medium
interactions, thereby elucidating the identification of the polaronic
resonances in recent experimental radiofrequency schemes. For strong attractive
impurity-medium couplings bipolaron formation is captured. Our findings pave
the way for continuously changing the quasiparticle character, under the impact
of trap effects, while exposing the role of correlations in triple mixture
settings.
