Himpunan Pasangan Berurutan Yang Menunjukan Fungsi f:x -> 2x+5 Dari Domain {1,3,5,7} Adalah....

f(x) = 2x+5
1 -> f(1) = 2.1+5
            = 2+5 = 7

3 -> f(3) = 2.3+5 = 6+5 = 11

5 -> f(5) = 2.5+5 = 10+5 =15

7 - > f(7) = 2.7+5 = 14+5 = 19

HP = {(1,7),(3,11),(5,15),(7,19)}