Q26 · Practice questionTechnology-freeSimple familiar2 marks
QUESTION 26 (2 marks)
Let . Determine and hence the gradient of the tangent at .
WORKED SOLUTION
2 marksPractice marking scheme
ANSWER
; gradient .
Worked solution
Differentiate using the chain rule: . Substituting gives .
Determines .
Determines the gradient .
Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabusHow many marks did you earn?
Compare your working with the guide above.