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Type: Multiple-Choice
Category: Functions and Relations
Level: Grade 11
Standards: HSF-BF.A.2
Tags: HSF-BF.A.2
Author: HTPhysics
Created: 3 weeks ago

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Grade 11 Functions and Relations CCSS: HSF-BF.A.2

A geometric sequence has the explicit formula: [math]a_n = 3 · 5ⁿ⁻¹[/math]
What is the recursive formula?
  1. [math]a₁ = 3; a_n = 5 · a_(n-1[/math]
  2. [math]a₁ = 5; a_n = 3 · a_(n-1[/math]
  3. [math]a₁ = 1; a_n = 5 · a_(n-1[/math]
  4. [math]a₁ = 15; a_n = 3 · a_(n-1[/math]
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