Is 'To Key' Separable or Inseparable? - Phrasal Verb Quiz

Quiz for Verb: 'To Key'

Is the phrasal verb 'To Key' separable or inseparable in the following examples?

'Key down' - Relax, unwind

'Key in' - Enter numbers or information into a computer or electronic system

'Key in on' - Focus attention on, single out

'Key up' - Make someone excited or nervous

'Key on' - Target, focus on (sport)

'Key to' - Plan things to fit or suit people or situations