2017 VCE Maths Methods Mini Test 1

Number of marks: 10

Reading time: 2 minutes

Writing time: 15 minutes

Section A Calculator Allowed
Instructions
• Answer all questions in pencil on your Multiple-Choice Answer Sheet.
• Choose the response that is correct for the question.
• A correct answer scores 1; an incorrect answer scores 0.
• Marks will not be deducted for incorrect answers.
• No marks will be given if more than one answer is completed for any question.
• Unless otherwise indicated, the diagrams in this book are not drawn to scale.


Question 1 [2017 Exam 2 Section A Q1]

Let \(f: R \to R, f(x) = 5\sin(2x) - 1\).
The period and range of this function are respectively

  • A. \(\pi\) and \([-1, 4]\)
  • B. \(2\pi\) and \([-1, 5]\)
  • C. \(\pi\) and \([-6, 4]\)
  • D. \(2\pi\) and \([-6, 4]\)
  • E. \(4\pi\) and \([-6, 4]\)
Correct Answer: C
Click here for full solution
Question 2 [2017 Exam 2 Section A Q2]

Part of the graph of a cubic polynomial function \(f\) and the coordinates of its stationary points are shown below.

Graph of a cubic polynomial with a local maximum at (-3, 36) and a local minimum at (5/3, -400/27).

\(f'(x) < 0\) for the interval

  • A. \((0, 3)\)
  • B. \((-\infty, -5) \cup (0, 3)\)
  • C. \((-\infty, -3) \cup (\frac{5}{3}, \infty)\)
  • D. \((-3, \frac{5}{3})\)
  • E. \((-\frac{400}{27}, 36)\)
Correct Answer: D
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End of Section A


Section B – No Calculator
Instructions
• Answer all questions in the spaces provided.
• Write your responses in English.
• In questions where a numerical answer is required, an exact value must be given unless otherwise specified.
• In questions where more than one mark is available, appropriate working must be shown.
• Unless otherwise indicated, the diagrams in this book are not drawn to scale.


Question 1 [2017 Exam 1 Q1]

a. Let \(f: (-2, \infty) \to R, f(x) = \frac{x}{x+2}\). Differentiate \(f\) with respect to \(x\). 2 marks

b. Let \(g(x) = (2 - x^3)^3\). Evaluate \(g'(1)\). 2 marks

Question 2 [2017 Exam 1 Q2]

Let \(y = x \log_e(3x)\).

a. Find \(\frac{dy}{dx}\). 2 marks

b. Hence, calculate \(\int_1^2 (\log_e(3x)+1)dx\). Express your answer in the form \(\log_e(a)\), where \(a\) is a positive integer. 2 marks


End of examination questions

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