Write the Java expression for $\sqrt[3]{x}+ \sqrt{y}$

The output of the following code is:

System.out.println(Math.ceil(6.4) + Math.floor(-1-2));

1. 3.0
2. 4
3. 3
4. 4.0

Give the output of the following:
       Math.sqrt(Math.max(9,16))