QCAA Maths Methods Differential Calculus Mini Test 3
External Assessment Paper 1 — Technology-free
Number of marks: 10
Perusal time: 1 minute
Writing time: 15 minutes
Section 1
Instructions
• This section has 10 questions and is worth 10 marks.
• Use a 2B pencil to fill in the A, B, C or D answer bubble completely.
• Choose the best answer for Questions 1 10.
• If you change your mind or make a mistake, use an eraser to remove your response and fill in the new answer bubble completely.
If \(f(x) = e^{6-2x}\), determine the value of \(f'(2)\).
- (A) \(e^2\)
- (B) \(2e^2\)
- (C) \(-e^2\)
- (D) \(-2e^2\)
Section 2
Instructions
• Write using black or blue pen.
• Questions worth more than one mark require mathematical reasoning and/or working to be shown to support answers.
• If you need more space for a response, use the additional pages at the back of this book.
– On the additional pages, write the question number you are responding to.
– Cancel any incorrect response by ruling a single diagonal line through your work.
– Write the page number of your alternative/additional response, i.e. See page …
– If you do not do this, your original response will be marked.
• This section has nine questions and is worth 45 marks.
a) Determine the derivative of \(f(x) = 3e^{2x+1}\) [1 mark]
b) Given that \(g(x) = \frac{\ln(x)}{x}\), determine the simplest value of \(g'(e)\). [3 marks]
c) Determine the second derivative of \(h(x) = x\sin(x)\). (Give your answer in simplest form.) [5 marks]
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