thevioletflower thevioletflower

02-04-2020
Mathematics

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please help!!
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If f(1)=7 and f(n)=-3f (n-1) then find the value of f(4)

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amna04352 amna04352

08-04-2020

Answer:

f(4) = -189

Step-by-step explanation:

f(1) = 7

f(n) = -3f(n-1)

f(2) = -3f(1) = -3 × 7 = -21

f(3) = -3f(2) = -3 × -21 = 63

f(4) = -3f(3) = -3 × 63 = -189

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