tdgeek: Do a full reboot, hold down power and home button until the white Apple logo appears, then let go.
Before that close any apps in the running apps action, quickly double click home button to see those. Those apps are in a idle state, rarely are they consuming CPU, but mentally note them for now. They do use memory.
Is it slow on everything? All the time?
Involuntary autocorrect in operation on mobile device. Apologies in advance.