Solve the Inequality $$\left| x ^ { 4 } + 6 x ^ { 2 } + 9 \right| < 0$$

question 316

Multiple Choice

Solve the inequality. Write the solution set in interval notation.
- $$\left| x ^ { 4 } + 6 x ^ { 2 } + 9 \right| < 0$$

• A) \(( - \infty , \infty )\)
• B) \(( - 3,3 )\)
• C) \(( - \infty , - 3 ) \cup ( 3 , \infty )\)
• D) \(\varnothing\)

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Definitions:

Postsynaptic Cell

The neuron or cell that receives a signal (neurotransmitters) from another neuron at a synapse.

Neurotransmitter

Chemicals released by neurons at synapses, which transmit signals across a chemical synapse from one neuron to another neuron, muscle cell, or gland cell.

Inhibitory Local Potential

A type of synaptic potential that makes a postsynaptic neuron less likely to generate an action potential.

Plasma Membrane

A biological barrier that demarcates the internal space of every cell from the external world, overseeing the transport of elements entering and exiting the cells.