Find a Formula for A_n for the Arithmetic Sequence $\frac { 23 } { 4 }$

question 149

Multiple Choice

Find a formula for a_n for the arithmetic sequence.
A₁ = -5, a₅ = 18

• A)a_n = \(\frac { 23 } { 4 }\) n - \(\frac { 43 } { 4 }\)
• B)a_n = \(\frac { 23 } { 4 }\) n + 43
• C)a_n = \(\frac { 43 } { 4 }\) - 43n
• D)a_n = \(\frac { 43 } { 4 }\) + 43n
• E)a_n = \(\frac { 23 } { 4 }\) n + \(\frac { 43 } { 4 }\)

---

Definitions:

Secure Password

A strong password that is hard to guess or crack, typically including a mix of letters, numbers, and symbols.

Social Security Card

An official document issued by the government that contains a unique identification number for accessing social security benefits and services.

M-commerce App

A mobile application designed to facilitate electronic commerce activities through smartphones and tablets.

Mail Merge

A software function that automatically inserts personal and unique data from a database into template documents, such as letters or email messages.