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Firlakuza [10]
3 years ago
14

A sequence is defined by the formula f(n+1)=f(n)- 3 if f( 4)=22what's is f(1)

Mathematics
1 answer:
NikAS [45]3 years ago
8 0
f(n+1)=f(n)- 3\\
f(n)=f(n+1)+3\\\\
f(3)=22+3=25\\
f(2)=25+3=28\\
f(1)=28+3=31
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