Here's the question you clicked on:
cee_laetriece
find the indicated limit lim(6t^2-11t+1) ->4
This is a polynomial, continuous everywhere. So all you need is to plug \(t=4\) and this is your limit as \(t\to 4\).
and what about the exponents?
\[\lim_{t\to4} 6t^2-11t+1=6(4)^2-11(4)+6=\dots\]