There was 32 total pupils and 2 obtained a level 5, so you subtract 2 from 32 and get 30. Then you divide 30 by 5 because to give you the the number of students which got a level 4 which is 6. 6+2=8 32-8=24
Level 4; 6pupils
Level 3; 24
Level 5:2
What are you looking for? The X? Tell us exactly.
(8,-98) is not a solution for the function.
Are you sure you've written the problem right...it says x can not equal 0 or 1
