Which of the following words can be formed by adding a prefix to the root word 'form'?

A. TRANSFORM

Which word is formed by adding both a prefix and a suffix to the root 'port'?

A. IMPORTATION

Identify the word that is formed by adding a prefix to the root 'visible'.

A. INVISIBLE

If the word 'COLD' is coded as 'DPME', how is 'WARM' coded in the same way?

A. XBSN

If 'APPLE' is coded as 'BQQMF', what would be the code for 'GRAPE'?

A. HSBQF