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 questions in the section correctly.

The answer is "12"

Step-by-step explanation:

Let f(x) be the function, where x specified in a certain section by the series of queries that have been addressed also as function.

it implies, that even a test the person gets 18 points to packed up x queries. Its right series of issues were also:

Therefore x = 12, The correct number of questions in the segment.

step-by-step explanation:

this is not possible to solve with the info given.   you need at least an one angle somewhere.