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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 Determine Question number H_3 Adapted from N/A

Question

The following diagram shows the graph of y=f(x)3x5.

Find the value of (ff)(1).

[2]
a.

Given that f1(a)=3, determine the value of a.

[2]
b.

Given that g(x)=2f(x1), 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 2x6       A1

range is 6y10       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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