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homework1fixed.c

+#include <stdio.h>
+#include <math.h>
+
+int main () {
+	
+	float x; 
+	float y;
+	int i;
+	float startV; //starting value of x
+	float stopV; //stopping value
+	float stepV; //a value of step that is calculated afer all inputs
+	int stepN; //number of steps
+	
+	printf("Insert a starting value: ");
+	scanf("%f", &startV);
+	printf("Insert a stoping value: ");
+	scanf("%f", &stopV);
+
+	printf("Insert a number of steps: ");
+	do
+	{
+		scanf("%d", &stepN);
+		if(stepN < 0){
+			printf("Number of steps must be positive: ");
+		}
+		if(stepN > 15){
+			printf("Number of steps must be less or equals to 15: ");
+		}
+	}
+	while(stepN < 0 || stepN > 15);
+	
+	printf("x\t        ");
+	printf("y\n");
+	
+	stepV = (stopV - startV) / (stepN - 1);
+	
+	for(i = 0; i < stepN; i++){
+		for(x = (stepV * i) + startV; x <= (stepV * i) + startV; x++){
+			if(4 - pow (x, 2) == 0){
+				printf("%f\tnot defined\n", x);
+			}else{
+				y = (sqrt(pow (x, 3) + (4 * pow (x, 2))) / (4 - (pow (x, 2))));
+				printf("%f\t%f\n", x, y);
+			}
+		}		
+	}
+	
+	return 0;
+}