Answer the following statements true (T) or false (F)
1) The loop repetition condition of a for statement is tested before each iteration.
2) If x and y are type int variables, the following code fragments are equivalent.
```
x = ++y; x = y + 1;
cout << x << y; cout << x << y;
```
3) If x and y are type int variables, the following code fragments are equivalent.
```
x = x * y + 10; x *= y + 10;
```
4) If the value of x is 6, the statement
```
cout << x++ <<; endl;
```
displays 6 and then increments x.
5) The following statement
```
cout << setiosflags( ios::fixed );
```
instructs the stream not to use scientific notation.
1) T
2) F
3) F
4) T
5) T
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