Write a boolean function named is_prime which takes an integer as an argument and returns true if the argument is a prime number, or false otherwise. use the function in a program that prompts the user to enter a number and then prints whether the number is prime.

The more powerful, 60 volt cables and the main power shut-off on an hev are both colored orange.

4. what is the reason for including the following code snippet in the header file animal. h? #ifndef animal_h #define animal_h class animal { public: animal(); animal(double new_area_hunt); void birth(); void hunt(double new_area_hunt); void death(); double get_area_hunt() const; private: double area_hunt; }; #endif

Using a conditional expression, write a statement that increments numusers if updatedirection is 1, otherwise decrements numusers. ex: if numusers is 8 and updatedirection is 1, numusers becomes 9; if updatedirection is 0, numusers becomes 7.