Answer the following statements true (T) or false (F)
1. The value returned by a Function procedure must be a number or a string.
2. When the button is clicked on, the output of the following program will be
```
Private Sub btnDisplay_Click(...) Handles btnDisplay.Click
Dim x, y, result As Double
x = 3
y = 4
result = CInt((Norm(x, y)))
txtBox.Text = CStr(result)
End Sub
Function Norm(x As Double, y As Double) As Double
Return Math.Sqrt(x^2 + y^2)
End Function
```
3. Both the input and output of a Function procedure can consist of several values.
4. The input to a user-defined function can consist of one or more values.
5. The header of a Function procedure must include parameters.
1. F
2. T
3. F
4. T
5. F
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