29.5

#include <stdio.h>
#include <math.h>

#define eps 0.000001
double f(double x)
{
    return x + pow(x,2);
}
int main()
{
    double x = 1.5;
    double min = f(x);
    double max = f(x);
    for(;fabs(x) <= 2.0 + eps; x+=0.05)
    {
        printf("f(%.2lf) = %.4lf\n",x,f(x));
        if(f(x) > max)
        {
            max = f(x);
        }
        if(f(x)<min)
        {
            min = f(x);
        }
    }
    printf("max = %.4lf\n",max);
    printf("min = %.4lf\n",min);
}