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2017 VCE Maths Methods Mini Test 7
Adapted for Year 11. Unit 1 & 2.
Number of marks: 5
Reading time: 1 minute
Writing time: 8 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.
The function \(f: R \to R, f(x) = x^3 + ax^2 + bx\) has a local maximum at \(x = -1\) and a local minimum at \(x = 3\).
The values of \(a\) and \(b\) are respectively
- A. -2 and -3
- B. 2 and 1
- C. 3 and -9
- D. -3 and -9
- E. -6 and -15
The sum of the solutions of \(\sin(2x) = \frac{\sqrt{3}}{2}\) over the interval \([-\pi, d]\) is \(-\pi\).
The value of \(d\) could be
- A. 0
- B. \(\frac{\pi}{6}\)
- C. \(\frac{3\pi}{4}\)
- D. \(\frac{7\pi}{6}\)
- E. \(\frac{3\pi}{2}\)
Let \(h: (-1, 1) \to R, h(x) = \frac{1}{x-1}\).
Which one of the following statements about \(h\) is not true?
- A. \(h(x)h(-x) = -h(x^2)\)
- B. \(h(x) + h(-x) = 2h(x^2)\)
- C. \(h(x) - h(0) = xh(x)\)
- D. \(h(x) - h(-x) = 2xh(x^2)\)
- E. \((h(x))^2 = h(x^2)\)
A rectangle \(ABCD\) has vertices \(A(0, 0)\), \(B(u, 0)\), \(C(u, v)\) and \(D(0, v)\), where \((u, v)\) lies on the graph of \(y = -x^3 + 8\), as shown below.
The maximum area of the rectangle is
- A. \(\sqrt[3]{2}\)
- B. \(6\sqrt[3]{2}\)
- C. 16
- D. 8
- E. \(3\sqrt[3]{2}\)
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.
Let \(f: [0, \infty) \to R, f(x) = \sqrt{x+1}\).
a. State the range of \(f\). 1 mark
End of examination questions
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