A-Level MathematicsYear 2023Q9
page 05 MARKS 9. The diagram shows the graph of the function log3 f x x , where 0 x . O (1, 0) (3, 1) log3 f x x y x The inverse function, 1 f , exists. On the diagram in your answer booklet, sketch the graph of 1 1 y f x . 10. (a) Show that 5 x is a factor of 4 3 2 3 7 9 30 x x x x . (b) Hence, or otherwise, solve 4 3 2 3 7 9 30 0 x x x x , x. [Turn over 3 2 5
Paper Source:NH_Mathematics_Paper1-Non-calculator_2023.pdf
Get full Socratic AI guidance on this question — free in the Applaa desktop app
Appy Buddy guides you step-by-step toward the answer without giving it away. Type your attempt and get instant, mark-scheme-aware clues that teach you to think like an examiner.
Applaa Desktop App
Join Applaa Community
Create your own games, learn AI concepts, program interactive apps, and share with a kid-safe community approved by parents. Free forever on Windows and Mac.
Download Free
Available for Windows and macOS · COPPA Compliant
Exam Specification Info
This question is part of the UK A-Level Mathematics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectMathematics
Official MarksVariable (2–6 marks)