Find a Formula for A_n ?for the Arithmetic Sequence $\frac { 14 } { 3 }$

question 2

Multiple Choice

Find a formula for a_n ?for the arithmetic sequence. ?
A₁ = 8,a₄ = 18
?

• A)a_n ?= \(\frac { 14 } { 3 }\) + 14n
• B)a_n ?= \(\frac { 14 } { 3 }\) - 14n
• C)a_n ?= \(\frac { 10 } { 3 }\) n - \(\frac { 14 } { 3 }\)
• D)a_n ?= \(\frac { 10 } { 3 }\) n + 14
• E)a_n ?= \(\frac { 10 } { 3 }\) n + \(\frac { 14 } { 3 }\)

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Definitions:

Cohort Differences

Variations or changes that are observed between different demographic groups, often studied across different time periods.

Longitudinal Research

A research design that involves repeated observations of the same variables over short or long periods of time to track changes and developments.

Cross-Sectional

A research design that examines data from a population, or a representative subset, at one specific point in time.

Mixed Design

A research design that combines elements of both within-subjects (measuring the same subjects across different conditions) and between-subjects designs (comparing different groups of subjects).