Date | May 2022 | Marks available | 2 | Reference code | 22M.1.SL.TZ2.1 |
Level | Standard Level | Paper | Paper 1 (without calculator) | Time zone | Time zone 2 |
Command term | Find | Question number | 1 | Adapted from | N/A |
Question
The following table shows values of and for different values of .
Both and are one-to-one functions.
Find .
[1]
a.
Find .
[2]
b.
Find the value of such that .
[2]
c.
Markscheme
A1
[1 mark]
a.
evidence of using composite function (M1)
OR
A1
[2 marks]
b.
A2
[2 marks]
c.
Examiners report
This question was completed successfully by most of the candidates. In part (b) of the question, a few candidates did not recognize the notation for a composite function and instead incorrectly thought they were supposed to multiply values for and .
a.
[N/A]
b.
[N/A]
c.