what is f(5) equal to

Algebra
Tutor: None Selected Time limit: 1 Day

if f(1) = 3 and f(n) = -2f(n-1) + 1 then what is f(5) equal to?

Apr 11th, 2015

f(2)=-2f(1)+1=-5

f(3)=-2f(2)+1=11

f(4)=-2f(3)+1=-21

f(5)=-2f(4)+1=43

Apr 11th, 2015

thank you

Apr 11th, 2015

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