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Jessica R
Jessica R asked in Science & MathematicsMathematics · 3 weeks ago

Math: Recursive Sequence ?

Given the following recursive sequence, fine a4. 

a1= 8

an= 4a(subscript n-1) -5

2 Answers

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  • Robert
    Lv 7
    3 weeks ago
    Favorite Answer

    a_1 = 8

    a_2 = 4a_1 - 5 = 32 - 5 = 27

    a_3 = 4a_2 - 5 = 108 - 5 = 103

    a_4 = 4a_3 - 5 = 412 - 5 = 407

  • ?
    Lv 7
    3 weeks ago

    Given the following recursive sequence, find a4.

    a1 = 8

    an = 4a(subscript n-1) - 5

    a4 = 407

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