нужно сделать в паскале абс

Построить таблицу значений функции на
интервале [-1; 1] с шагом Δх = 0,1 если функция имеет вид:
x+1, при x<-0.5
Y= x2 , при -0.5<=x<=0.5
x -2, при x>0.5
repeat
if (x<-0.5) then y:=x+1;
if (x>=-0.5) and (x<=0.5) then y:=x*x;
if (x>0.5) then y:=x-2;
writeln ('x= ',x:7:5,' y= ',y:7:5);
x:=x+dx;
until (x>1);

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var current, past, sum: real;

    i, n: integer;

begin

  current : = 10;

  for i : = 1 to 10 do begin

    writeln(i, ' ', current);

    past : = current;

    current : = current * 1.1;

  end;

  current : = 10; sum : = 0;

  write('n = ');

  read(n);

  for i : = 1 to n do begin

    sum : = sum + current;

    past : = current;

    current : = current * 1.1;

  end;

  writeln('за ', n, ' дней: ', sum);

end.

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var current, past, sum: real;

    i, n: integer;

begin

  current : = 10;

  for i : = 1 to 10 do begin

    writeln(i, ' ', current);

    past : = current;

    current : = current * 1.1;

  end;

  current : = 10; sum : = 0;

  write('n = ');

  read(n);

  for i : = 1 to n do begin

    sum : = sum + current;

    past : = current;

    current : = current * 1.1;

  end;

  writeln('за ', n, ' дней: ', sum);

end.