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Gemiola [76]
3 years ago
8

A sequence is defined by the formula f(n+1)=f(n)−3. If f(4)=22, what is f(1)?

Mathematics
2 answers:
Lilit [14]3 years ago
8 0

Answer:

31

Step-by-step explanation:

From the expression

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

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

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

f(4)- f(3) = -3

f(4) + 3 = f(3)

22 + 3 = 25 = f(3)

Similarly ; f(2) = f(3) + 3 = 25 + 3 = 28

f(1)= f(2) + 3 = 28 + 3 = 31

RUDIKE [14]3 years ago
7 0

Answer:

Answer:31

Step-by-step explanation:

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