A sequence is defined by the formula f(n+1)=f(n)-3. If f(4)=22, what is f(1)?
10
13

f(1) = 13

Step-by-step explanation:

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

then

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

then

f(3)=f(4)-3 = 22 - 3 = 19

f(2)=f(3)-3 = 19 - 3 = 16

f(1)=f(2)-3 = 16 - 3 = 13

this is a very good question

step-by-step explanation:

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