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Date November 2019 Marks available 2 Reference code 19N.2.AHL.TZ0.H_3
Level Additional Higher Level Paper Paper 2 Time zone Time zone 0
Command term Find Question number H_3 Adapted from N/A

Question

The following diagram shows the graph of  y = f ( x ) 3 x 5 .

Find the value of ( f f ) ( 1 ) .

[2]
a.

Given that  f 1 ( a ) = 3 , determine the value of a .

[2]
b.

Given that g ( x ) = 2 f ( x 1 ) , find the domain and range of g .

[2]
c.

Markscheme

f ( 1 ) = 0        (A1)

f ( 0 ) = 1         A1

[2 marks]

a.

a = f ( 3 )       (M1)

a = 4        A1

[2 marks]

b.

domain is  2 x 6        A1

range is  6 y 10        A1

[2 marks]

c.

Examiners report

[N/A]
a.
[N/A]
b.
[N/A]
c.

Syllabus sections

Topic 2—Functions » SL 2.2—Functions, notation domain, range and inverse as reflection
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Topic 2—Functions

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