Consider the following function header: double myFunsichar letter, float price, int age, bool veracity, string name) 3. In the function header above, what datatype will this function return? (2 points) 4. How many parameters are received by this function? (2 points) 5. What is the datatype of the last parameter? (2 points) 6. Using the fewest characters possible, show me what the prototype for the header above would look like. (4 points) 7. What keyword can I use to make a variable stick around inside a function instead of being destroyed and recreated each time? (1 point)