Date | May 2017 | Marks available | 1 | Reference code | 17M.1.SL.TZ1.T_12 |
Level | Standard Level | Paper | Paper 1 | Time zone | Time zone 1 |
Command term | Write down | Question number | T_12 | Adapted from | N/A |
Question
The function is of the form , where , and are positive integers.
Part of the graph of is shown on the axes below. The graph of the function has its local maximum at and its local minimum at .
Write down the domain of the function.
Draw the line on the axes.
Write down the number of solutions to .
Find the range of values of for which has no solution.
Markscheme
* This question is from an exam for a previous syllabus, and may contain minor differences in marking or structure.
(A2) (C2)
Note: Accept equivalent notation. Award (A1)(A0) for .
Award (A1) for a clear statement that demonstrates understanding of the meaning of domain. For example, should be awarded (A1)(A0).
[2 marks]
(A1) (C1)
Note: The command term “Draw” states: “A ruler (straight edge) should be used for straight lines”; do not accept a freehand line.
[1 mark]
2 (A1)(ft) (C1)
Note: Follow through from part (b)(i).
[1 mark]
(A1)(A1) (C2)
Note: Award (A1) for both end points correct and (A1) for correct strict inequalities.
Award at most (A1)(A0) if the stated variable is different from or for example is (A1)(A0).
[2 marks]