A Rectangular Swimming Pool Has a Concrete Walk Around It $A = x ^ { 2 } + 1800 x + 900$

question 175

Multiple Choice

A rectangular swimming pool has a concrete walk around it of width x. The pool has a length l = 36 feet and a width w = 25 feet (see figure) . Find an expression representing the combined area A of the pool And the walk. Simplify the result.

• A) \(A = x ^ { 2 } + 1800 x + 900\)
• B) \(A = 900 + x ^ { 2 }\)
• C) \(A = 4 x ^ { 2 } + 122 x + 900\)
• D) \(A = x ^ { 2 } + 900\)

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Definitions:

Discrimination

Discriminatory behavior or action against various groups of individuals, particularly based on racial, age, or gender differences.

Operant Conditioning

A learning technique that uses incentives and penalties to shape behavior.

Stimuli

Refers to physical or environmental factors that can provoke a response or reaction in a living organism.

Reinforced

Strengthened or supported, often in the context of materials or structures, but also applicable to behaviors in psychology.