лабы / лаб2 / lab2_1

program lab2_1;
var
x,y: Real;
begin
Write('Введите x: '); Read(x);

if x < -1.5 then y := Sqr(x+3.5)+3
else if (x >= -1.5) and (x <= 1) then y := 2*x+1
else if (x > 1) and (x <= 2) then y := 3.0
else if (x > 2) and (x <= 4.5) then y := -Sqr(x-3)+1
else y := 2.5;

WriteLn('y: ', y:1:1);
end.