The String $2\ 3\ a \cdot x + 4 \uparrow + 7 \uparrow$

question 90

Short Answer

The string $2\ 3\ a \cdot x + 4 \uparrow + 7 \uparrow$ is postfix notation for an algebraic expression. Write the expression in prefix notation.

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Definitions:

Preconscious

The part of the mind containing information that is not currently in focal awareness but can easily be accessed, as described in psychoanalytic theory.

Free Association

A psychoanalytic technique where the patient says whatever comes to mind, used to explore the unconscious.

Hypnosis

A trance-like state of focused attention, reduced peripheral awareness, and increased susceptibility to suggestion.

Psychic Energy

A concept in psychoanalytic theory referring to the force or drive behind human behavior and mental processes.