/* This program is written in c++ for the equation y=-2exp(3-x)-4*
#include<iostream.h>
#include<conio.h>
#include<math.h>
void main()
{
//y=-2exp(3-x)-4
clrscr();
double x,y;
cout<<"enter the value of x";
cin>>x;
y= 2*exp(3-x)-4;
cout<<"The value of y is %f"<<y;
getch();
}
For the different values of x, y returns only negative value because for all positive values of x, y values falls in third quadrent of graphes where all values of y will be negative always.
For all negative values of x, It also returns the negative value.
This equation graph is:-->
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