Find the LCD of the Rational Expressions in the List $$\frac { 4 } { 3 x + 9 } , \frac { 6 x } { 4 x - 12 }$$

question 219

Multiple Choice

Find the LCD of the rational expressions in the list.
- $$\frac { 4 } { 3 x + 9 } , \frac { 6 x } { 4 x - 12 }$$

• A) \(( x + 3 ) ( x - 3 )\)
• B) \(( x - 3 ) ^ { 2 }\)
• C) \(12 ( x - 3 ) ^ { 2 }\)
• D) \(12 ( x + 3 ) ( x - 3 )\)

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Definitions:

School-Age Children

Children in the age range of 6 to 12 years who are typically enrolled in elementary school.

Sensitive Period

A specific time frame in development when the ability to acquire certain types of skills or knowledge is enhanced.

Egocentrism

A developmental stage where an individual is unable to differentiate between their own perspective and that of others, often seen in children.

Concrete Operational Thinking

A stage of cognitive development in children, as identified by Piaget, where individuals can think logically about concrete events and understand the concept of conservation.