If you take the square root of 3, you get ~1.732, which is between 1.7 and 1.8
You’re right, it’s just 100/25.
Domain: is x is equal to or more than-3, it is also equal to and less than 1.
Range: Y is equal to or greater than 2, it is also equal to and less than 5.
Cannot be determined.
Area or perimeter should be provided to calculate the lenght but its not.