The points on a section of an exam is given by the function f(x) , where x is the number of questions answered correctly in that section. If f(6)=16 then a test-taker receives 16 points for answering _____ questions in the section correctly.
The input to the function (x) is the number of questions answered correctly. Thus, for an output (total points) of 16, from the given equation, we can identify the input as 6 correctly answered questions.
