Use Interval Notation to Describe the Interval of Real Numbers $( - \infty , - 5 ]$

question 362

Multiple Choice

Use interval notation to describe the interval of real numbers.
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• A) \(( - \infty , - 5 ]\)
• B) \(( - \infty , - 5 )\)
• C) \(( - 5 , \infty )\)
• D) \([ - 5 , \infty )\)

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Definitions:

Synaptic Cleft

The microscopic gap between neurons across which neurotransmitters are released, facilitating communication between cells.

Neurotransmitter Effects

The impacts or actions exerted by neurotransmitters, which are chemicals responsible for transmitting signals across a chemical synapse between neurons or between neurons and muscles.

Receptors

Proteins located on the surface of or within cells, which bind to specific molecules, triggering a physiological response.

Postsynaptic Cell

A neuron or muscle cell that receives signals from a presynaptic neuron at a synapse.