Hi i would be happy if you could solve these maths question i need with a brief explanation

tressed a bit about it, I am wondering if you could help me? I would be really glad and thankful!! I am polish by the way so sorry about it, but here is the task: 2.81. Investigate whether there are values ​​of k, m (k, me R) parameters for which the function f is differentiated in the set R. Find f '. I attached an image also, I would be really thankful for any kind of help! Jeśli means 'If'

p out me for that. Thanks, From: Sukhvinder Singh

ndering if you could help me if I send pictures or maybe you guys have the answer key. Any help would be appreciated, Thanks!

ndering if you could help me if I send pictures or maybe you guys have the answer key. Any help would be appreciated, Thanks!