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zhuklara [117]
2 years ago
8

Please I need help on a couple problems!

Mathematics
1 answer:
Dafna1 [17]2 years ago
5 0

Answer:

I will set this up for you and you work the math.

 

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

 

n = 7

 

f(7) = f(7 - 1) + 3 = f(6) + 3

 

Do the same for f(6).

 

f(6) = f(5) + 3 ⇒

 

f(7) = f(5) + 3 + 3

 

Similarly,  

 

f(5) = f(4) + 3 ⇒

 

f(7) = f(4) + 3 + 3 +3

 

Do you see the pattern emerging here?  Keep going until you are down to

 

f(2) = f(1) + 3 = 6 + 3 = 9

 

Then carefully plug the intermediate answers into their proper place in

 

f(7) = f(6) + 3

Step-by-step explanation:

recursive equation

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