**Tell us what’s happening:**

i dont no what is going on it looks good but i cant get it to return the last function 0,0 returns 0… the last one can anyone c how i am wrong…thanku

**Your code so far**

```
// Setup
function abTest(a, b) {
// Only change code below this line
if (a <= 0 || b <= 0){
return undefined;
}
// Only change code above this line
return Math.round(Math.pow(Math.sqrt(a) + Math.sqrt(b), 2));
}
abTest(2,2);
```

**Your browser information:**

User Agent is: `Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36 Edg/86.0.622.51`

.

**Challenge:** Return Early Pattern for Functions

**Link to the challenge:**