17N.1.SL.TZ0.S_3

pestleMathematicsAASLPaper 117N· sl-2-2-functions-notation-domain-range-and-inverse-as-reflectionsource ↗

The following diagram shows the graph of a function $f$ , with domain $- 2 \leqslant x \leqslant 4$ .

N17/5/MATME/SP1/ENG/TZ0/03

The points $( - 2,{\text{ }}0)$ and $(4,{\text{ }}7)$ lie on the graph of $f$ .

On the grid, sketch the graph of ${f^{ - 1}}$ .

Markscheme / solution

N17/5/MATME/SP1/ENG/TZ0/03.c/M A1A1A1 N3

Notes: Award A1 for both end points within circles,

A1 for images of $(2,{\text{ }}3)$ and $(0,{\text{ }}2)$ within circles,

A1 for approximately correct reflection in $y = x$ , concave up then concave down shape (do not accept line segments).

[3 marks]

Examiners’ report

[N/A]