functions exercise

#include <iostream>
#include <cmath>
using namespace std;


int absValue(int num){
return abs(num);
}

double powValue(double num1,int powerOf){

 double result = 1.0;


 if(powerOf == 0){
    return result = 1;
 }
 else if (powerOf < 0){
    powerOf = abs(powerOf);
 }

 for(int i = 0; i<powerOf; i++){
    result+=num1;
 }
 return result;
}

double minValue(double num2, double num3){

return min(num2, num3);
}

double maxValue(double num4,double num5){
return max(num4, num5);
}

double maxOf3(double num6, double num7, double num8){
    return max(max(num6, num7), num8);
}

double minOf3(double num6, double num7, double num8){
return min(min(num6, num7), num8);
}

bool isAlpha(char latinLetter){
if (latinLetter>=65 || latinLetter<= 90 || latinLetter>= 97 || latinLetter<=122){
    return true;
}
else{
    return false;
}
}
bool isDigit(char digit){
return((digit>=48 && digit<=57)? true : false);
}



int main()
{


    return 0;
}