Thread: Another Radical Question

1. The square root of 2 times (x+the sq root of 8)

the sq root of 2 is outside the parenthesis

My answer = x sq root of 2 + 4

2. Rewrite using a radical then simplify: 8 to the power of 3\5

3. Find the domain and rage of the function f (x) = Sq root of (3x+6)

Originally Posted by dempc

1. The square root of 2 times (x+the sq root of 8)

the sq root of 2 is outside the parenthesis

My answer = x sq root of 2 + 4

2. Rewrite using a radical then simplify: 8 to the power of 3\5

3. Find the domain and rage of the function f (x) = Sq root of (3x+6)

1.







2.




3. You can only have the square root of a nonnegative number.

So


At , and y is increasing.


So .