The points on a section of an exam is given by the function f(x), where x

Question

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(12)=18 then a test-taker receives
18 points for answering how many questions in the section correctly?

Answer 1

The points on a section of an exam is given by the function f(x), where x

If f(12) = 18, this means that the test-taker receives 18 points for answering 12 questions correctly in that section.