Solve the Problem $$( 4 x + 7 y ) ^ { 2 }$$

question 54

Multiple Choice

Solve the problem.
- $$( 4 x + 7 y ) ^ { 2 }$$

• A) \(16 x ^ { 2 } + 49 y ^ { 2 }\)
• B) \(4 x ^ { 2 } + 56 x y + 49 y ^ { 2 }\)
• C) \(16 x ^ { 2 } + 56 x y + 49 y ^ { 2 }\)
• D) \(4 x ^ { 2 } + 49 y ^ { 2 }\)

Comprehend the significance of primary and foreign keys in relational database design.

Understand the conditions and operators used in query criteria to filter data.

Gain insights into the methods for manipulating table structures and appearances within Access.

Learn the best practices for reducing data redundancy through database normalization.

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Definitions:

Fixed-Ratio

A schedule of reinforcement where a response is reinforced only after a specified number of responses have occurred.

Variable-Ratio

A reinforcement schedule where a response is reinforced after an unpredictable number of responses, promoting high and steady response rates.

Contingency

A future event or circumstance that is possible but cannot be predicted with certainty, often used in psychology to describe the relationship between behavior and its consequences.