What function?
Can you work out what function has been carried out on the numbers on the left to change them to the numbers on the right?
input | function | output | ||
3 | ![]() | ? | ![]() | 15 |
12 | ![]() | ? | ![]() | 24 |
7 | ![]() | ? | ![]() | 77 |
14 | ![]() | ? | ![]() | -1 |
120 | ![]() | ? | ![]() | 60 |
49 | ![]() | ? | ![]() | 7 |
23 | ![]() | ? | ![]() | -5 |
0 | ![]() | ? | ![]() | 17 |
Is there only one right answer? - or can you think of more than one function to give the same output?