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Homework1/main.c

+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+int main()
+{
+    float Y,YM,A,H,i=0,X;
+    printf("enter the starting value\n");
+    scanf("%f",&A);
+    printf("enter the lower limit of function value\n");
+    scanf("%f",&YM);
+    printf("enter the step value it must be greater than 0 \n");
+    scanf("%f",&H);
+    while(H<1)
+    {
+        printf("wrong number please enter a number greater than 0 \n");
+        scanf("%f",&H);
+    }
+    while(i<15)
+    {
+        X=A+i*H;
+        Y=(pow(X,3)+2*X-14)/(7*X);
+        if (Y<YM)
+        {
+            printf("function has exceeded it's lower limit\n");
+            return 0;
+        }
+        if (i==0)
+        {
+            printf("the Results are:\n");
+            printf("X \t f(X)\n");
+        }
+        if (Y==-INFINITY|| Y==INFINITY )
+        {
+            printf("%.2f \t not available",X);
+        }
+        else
+        {
+           printf("%.2f \t %.2f\n",X,Y);
+        }
+        i++;
+    }
+
+    return 0;
+}