9. Example #include <iostream.h> int result (int y); int main () { int x; cout<<" Welcome here "; cout<<" Please Insert value of x to find the answer of this equation : result=x*x+2*x-x/3+23 x="; cin>>x; cout<<"result = "<<result(x); cout<<" try another x ="; cin>>x; cout<<"result 2 = "<<result(x); cout<<" try another x ="; cin>>x; cout<<"result 3 = "<<result(x); return 0; } int result(int y) { return ( y*y+2*y-y/3+23); } Function prototype Function call Function Definition cpplab.pbworks.com