List the Elements of the Set $\mathrm { A } \cup \mathrm { B } \text {. }$

question 192

Multiple Choice

List the elements of the set.
-If A={21,23,24,25,28} and B={21,23,24,25} , list the elements of $\mathrm { A } \cup \mathrm { B } \text {. }$

• A) {28}
• B) {21,23,24,25}
• C) \(\phi\)
• D) {21,23,24,25,28}

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Definitions:

Unintentional Facial Expressions

Spontaneous expressions that occur without the individual's conscious control, often revealing true emotions despite any attempts to mask them.

Extrasensory Perception

The claimed ability to obtain information about the environment or the future beyond the use of the known senses.

Unparsimonious

Describes explanations or theories that are more complex or include more assumptions than necessary to explain phenomena.

Falsifiable

A criterion of scientific theory that requires it to be capable of being proven false through observation or experiment.