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OpenStudy (anonymous):
A sequence is defined by the formula f(n + 1) = f(n) – 3. If f(4) = 22, what is f(1)?
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OpenStudy (anonymous):
d=f(n+1)-f(n)=-3 an=a1+(n-1)d 22=f(1)+(4-1)*(-3) ?
OpenStudy (danjs):
this seems alright to read, then you can finish your work much faster
jaynator495 (jaynator495):
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