x 2 2 4 21 If f x 1 4 22 8 22 16 if a 4 if x 4 find lim f x

Last updated: 5/2/2023

x 2 2 4 21 If f x 1 4 22 8 22 16 if a 4 if x 4 find lim f x if it exists Is lim f x 4 2 4 if a 4