Simplify the Expression $$2 \left( x ^ { 2 } - 7 x - 4 \right) - 3 \left( x ^ { 2 } - 7 x - 4 \right) + 9 \left( x ^ { 2 } - 7 x - 4 \right)$$

question 36

Multiple Choice

Simplify the expression. $$2 \left( x ^ { 2 } - 7 x - 4 \right) - 3 \left( x ^ { 2 } - 7 x - 4 \right) + 9 \left( x ^ { 2 } - 7 x - 4 \right)$$

• A) \(8 x ^ { 2 } - 98 x - 56\)
• B) \(8 x ^ { 2 } - 98 x - 32\)
• C) \(8 x ^ { 2 } - 56 x - 32\)
• D) \(8 x ^ { 2 } - 56 x - 56\)
• E)none of these

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Definitions:

Noncontinuity View

A perspective that suggests changes or phenomena occur in discrete steps or stages rather than gradually.

Continuity View

The perspective that development is a gradual, continuous process, without sudden changes or distinct stages.

Krechevsky

Ivan Krechevsky was a psychologist who conducted research on animal behavior and learning, known for exploring concepts of hypothesis behavior in rats during problem-solving tasks.

Occasion-Setting Stimulus

A stimulus that signals whether a particular response will be reinforced, playing a role in modifying behavior based on context.