A sequence is defined recursively by f(1)=16 and f(n)= f(n-1)+2n. Find f(4)

Mathematics

1 answer:

lord [1]3 years ago

8 0

Hi,

f(1)=16
f(2)=f(1)+2*2=16+4=20
f(3)=f(2)+2*3=20+6=26
f(4)=f(3)+2*4=26+8=34

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