What simpler function models the end behavior of the rational function in #4?
#4: lim x->7 (sqrt(x+2)-3)/(x-7)
1 answer
as x→∞, so do x+2 and x-7. So they are equivalent to just x. So the limit is the same as 7√x
#4: lim x->7 (sqrt(x+2)-3)/(x-7)
1 answer