3 years ago

If f(1) =7 and f(n)=-5f(n-1)-n then find the value of f(4)

Mathematics

1 answer:

jolli1 [7]3 years ago

4 0

Answer:

-914

Step-by-step explanation:

f(n)=-5f(n-1)-n

f(2)= -5f(1) -2 = -5(7) - 2 = -37

f(3) = -5f(2) - 3 = -5(-37) - 3 = 182

f(4) = -5f(3) - 4 = -5(182) - 4 = -914

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