If I eat 4500 kids, and my wife eats 13187569876 kids, how much kids did we eat in total? And if i eat donkey's 123 kids, and my wife eats 456 of the witch's kids, how much did we eat in total?

Sample response: to evaluate the composition, you need to find the value of function f first. but, f(0) is 1 over 0, and division by 0 is undefined. therefore, you cannot find the value of the composition. what did you include in your answer? you must evaluate the function f first. division by 0 is undefined. the composition cannot be evaluated.