(>_ means greater than or equal to, and <_ means less than or equal to)
Answer:
9: Domain: 0<_x<_10
10: Range: 0<_y<_32
11: Domain: 0<_x<_∞ Range: 10<_y<_∞
12: Domain: 0<_x<_∞ Range: y=25
13: Domain: 0<_x<_15 Range: 0<_y<_15
Explanation:
Just look at the highest and lowest points for the x axis and the y axis, and that's your domain and range respectively