a. b. c. d. What information does the "curr" variable literally hold? Why don't we ever call "delete" on the "curr" variable? What happens to "curr" when the function exits? Make this a function template assuming the LinkedList is a class template bool LinkedList::replaceAt (int index, int data) f (index next; count++ if (curr- -nullptr) return false // if we got here, we found the index curr> datadata; return true