Write the Solution Set Using Interval Notation $\frac { 2 } { 3 } + \frac { 6 } { 7 } \leq \frac { x } { 21 }$

question 253

Multiple Choice

Write the solution set using interval notation.
- $\frac { 2 } { 3 } + \frac { 6 } { 7 } \leq \frac { x } { 21 }$

• A) \(( - \infty , 32 ]\)
• B) \([ 32 , \infty )\)
• C) \(( - \infty , 32 )\)
• D) \(( 32 , \infty )\)

---

Definitions:

Alzheimer's Disease

A progressive neurological disorder that causes memory loss, cognitive decline, and ultimately leads to death.

Schizophrenia

A long-term mental disorder involving a breakdown in the relation between thought, emotion, and behavior, leading to faulty perception and inappropriate actions or feelings.

Neurotransmitter

Chemicals in the brain that transmit signals from one neuron to another, facilitating communication within the nervous system.

Dopamine

is a neurotransmitter involved in many functions, including movement, motivation, reward, and addiction.