Solve
-A Board of Length $\frac { 2 } { x + 4 }$

question 253

Multiple Choice

Solve.
-A board of length $\frac { 2 } { x + 4 }$ inches was cut into two pieces. If one piece is $\frac { 5 } { x - 4 }$ inches, express the length of the other board as a rational expression.

• A) \(\frac { - 3 } { ( x + 4 ) ( x - 4 ) }\) in.
• B) \(\frac { - 3 x + 12 } { ( x + 4 ) ( x - 4 ) }\) in.
• C) \(\frac { - 3 x - 28 } { ( x + 4 ) ( x - 4 ) } \mathrm { in }\).
• D) \(\frac { - 3 x + 28 } { ( x + 4 ) ( x - 4 ) }\) in.

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Definitions:

Glial Cells

Non-neuronal cells in the central and peripheral nervous systems that support and protect neurons.

Neurons

Basic working units of the brain, specialized cells conducting nerve impulses for communication between different parts of the body.

Structural Support

The elements or components in construction or architecture that offer the necessary strength and stability to a building or structure.

Presynaptic Neuron

A neuron that sends a signal to a neighboring neuron across a synapse, typically releasing neurotransmitters.