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5 votes
Please solve ! this is important so please don't troll

Please solve ! this is important so please don't troll-example-1
User ScottR
by
7.7k points

1 Answer

3 votes

Answer:

f(5)=21

Explanation:

f(1) =5

f(2) =9

f(3)= 13

f(4)=17

there for f(5) =21 all added by four more

User Ran
by
8.2k points