HOW TO FIND AND EXPLAIN IF THE LIMIT OF A FUNCTION EXIST ?

[@gopigaam.s.1557]

thank u sooo much broooo, great explanation, very helpful, you are a savior

[@fenixmengal8328]

Nice explanation

[@5redage5]

thank you)

[@hud56]

For the last one x needs to approach limit at 2.5 not 3

[@foodfilms5910]

Explain pls