A Freelance Computer Consultant Keeps a Database of Her Clients $S = \{ \text { Acme, Brothers, Crafts, Dion, Effigy, Floyd, Global, Hilbert } \}$

question 6

Multiple Choice

A freelance computer consultant keeps a database of her clients, which contains the names $S = \{ \text { Acme, Brothers, Crafts, Dion, Effigy, Floyd, Global, Hilbert } \}$
The following clients owe her money:
$A = \{ \text { Acme, Crafts, Brothers, Global } \}$
The following clients have employed her in the last year:
$G = \{ \text { Acme, Crafts, Dion, Brothers, Global, Hilbert } \}$
Find the clients who do not owe her money or have employed her in the last year.

• A) \(\{ \text { Brothers, Acme, Crafts, Dion, Global, Hilbert\} }\)
• B) \(\{ \text { Acme, Brothers, Crafts, Global\} }\)
• C) \(\{ \text { Acme, Brothers, Crafts, Dion, Effigy, Floyd, Global, Hilbert } \}\)
• D) \(\{ \text { Dion, Hilbert } \}\)
• E) \(\varnothing\)

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Definitions:

Serotonin

A neurotransmitter that affects mood, appetite, and sleep, playing a significant role in regulating emotional well-being.

Parkinson's Disease

A neurodegenerative disorder characterized by motor symptoms such as tremors, stiffness, and bradykinesia due to the loss of dopamine-producing cells in the brain.

Depression

A condition affecting mental well-being, marked by a constant feeling of sadness or a disinterest in usual activities, leading to notable difficulties in daily functions.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for processing sensory information and controlling bodily functions.