+2446 If \(f(x)=\sqrt{x-3}\), then, in order to evaluate \(f(12)\), replace all instances of x with 12.
| \(f(x)=\sqrt{x-3}\) | This is the original definition of the function. |
| \(f(12)=\sqrt{12-3}\) | Simplify. |
| \(f(12)=\sqrt{9}\) | |
| \(f(12)=3\) | |
+2446 If \(f(x)=\sqrt{x-3}\), then, in order to evaluate \(f(12)\), replace all instances of x with 12.
| \(f(x)=\sqrt{x-3}\) | This is the original definition of the function. |
| \(f(12)=\sqrt{12-3}\) | Simplify. |
| \(f(12)=\sqrt{9}\) | |
| \(f(12)=3\) | |
