Question 907618
First term: 1


This is given when they say f(1) = 1


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Second term


f(n+1)=2f(n)+n


f(1+1)=2f(1)+1


f(2)=2*1+1


f(2)=3


The second term is 3



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Third term


f(n+1)=2f(n)+n


f(2+1)=2f(2)+2


f(3)=2*3+2


f(3)=8


The third term is 8


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Fourth term


f(n+1)=2f(n)+n


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


f(4)=2*8+3


f(4)=19


The fourth term is 19


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Fifth term


f(n+1)=2f(n)+n


f(4+1)=2f(4)+4


f(5)=2*19+4


f(5)=42


The fifth term is 42


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The first five terms are: <font color="red">1, 3, 8, 19, 42</font>