What is displayed by the program defined below?

```
#include

double
ad1(double x)
{
return (x + 1);
}

double
trpl(double x)
{
return (3 * x);
}

double
hlf(double x);
{
return (0.5 * x);
}

int
main(void)
{
printf("%.3f\n", hlf(trpl(ad1(8.2))));
return (0);
}
```

13.800

Computer Science & Information Technology

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In a protected form, individuals can edit ________

A) any text B) column or row spacing C) document style or formats D) data in the content control

Computer Science & Information Technology

A class in which modifications to the implementation appear to be invisible to the user of the class is known as _________________.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology