Consider the Sequence Built by the Following Rule $A _ { 1 } = 1 , A _ { 2 } = 3 , A _ { n + 1 } = A _ { n } + 2 \cdot A _ { n - 1 } \text { for } n \geq 2$

question 80

Multiple Choice

Consider the sequence built by the following rule: $A _ { 1 } = 1 , A _ { 2 } = 3 , A _ { n + 1 } = A _ { n } + 2 \cdot A _ { n - 1 } \text { for } n \geq 2$ What is $A _ { 4 } ?$

• A) 6
• B) 10
• C) 11
• D) 15

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Definitions:

Habitual

Regularly done; based on habit.

Less Anxious

Experiencing reduced feelings of anxiety, stress, or nervousness.

Operant Chamber

In operant conditioning research, a chamber (also known as a Skinner box) containing a bar or key that an animal can manipulate to obtain a food or water reinforcer; attached devices record the animal’s rate of bar pressing or key pecking.

Confined Cage

A restricted space or enclosure used to hold animals, prisoners, or any subject within a compact area, limiting their movement.