Answer:
3,5,7,9
Step-by-step explanation:
[tex]f(1) = 2n + 1 \\ = 2 \times 1 + 1 \\ = 4 \\ f(2) = 2n + 1 \\ = 2 \times 2 + 1 \\ = 5 \\ f(3) = 2n + 1 \\ = 2 \times 3 + 1 \\ = 7 \\ f(4) = 2n + 1 \\ = 2 \times 4 + 1 \\ = 9[/tex]
