Томендеги кестеге карап. ( ТАБИГАТ ) созин шифрла

4 ,5,6,7 дурыс апай маган айтты

uses graphabc;

type fun = function (x: real): real;

function f(x: real): real; begin f: =0.5*x*cos(2*x); end;

// l (logical) - логические координаты// s (screen) - координатыprocedure drawgraph(x1,x2,y1,y2: real; f: fun); var xl,xl0,wl,yl,yl0,hl: real; xs0,ws,ys0,hs: integer; function ltosx(xl: real): integer; begin result: =round(ws/wl*(xl-xl0)+xs0); end; function ltosy(yl: real): integer; begin result: =round(hs/hl*(yl-yl0)+ys0); end; function stolx(xs: integer): real; begin result: =wl/ws*(xs-xs0)+xl0; end; var xi: integer; begin // drawgraph xs0: =0; ys0: =windowheight; ws: =windowwidth; hs: =windowheight; xl0: =x1; yl0: =y1; wl: =x2-x1; hl: =-(y2-y1); moveto(xs0,ltosy(f(stolx(; for xi: =xs0+1 to xs0+ws do lineto(xi,ltosy(f(stolx(; end;

begin // program setwindowcaption('график функции'); drawgraph(-12,12,-23,23,f); end.

(4 > -(4 + x)·x)) = true

(30 > x·x) = false

4> -4x-x^2

x^2+4x+4> 0

(x+2)^2> 0

x< > -2

(30 < x·x)

|x|> root(30)~5.47

x = 6