A2 Maths Skills Sheet 1
1. Given that f ( x) 4 x 3 , find exact values of and simplify where possible :
a) f(2) b) f(6) c) f(18)
4
y
3
2. The function f has domain cfw_ -3, -1, 0, 2, 4 and is defined by f ( x ) x 3 2. Find
the range of f.
2
1
x
6
4
2
2
4
A2 Maths Skills Sheet 1 SOLUTIONS
1. Given that, find exact values of and simplify where possible :
a) f(2) : f (2) 4(2) 3 11
b) f(6) : f (6) 4(6) 3 27 9 3 9 3 3 3
c) f(18) : f (18) 4(18) 3 75 5 3
2 marks
3 marks
3 marks
TOTAL 8 marks
2. The function f ha
A2 Maths Skills Sheet 2
1. The function g is defined for 3 x 4 by g ( x) x 2 5 x 6 . Sketch the graph
of y g (x) and state the range of g.
2. Given that f ( x) 2 x 5 and g ( x)
2
1 .
x2
a) What is the domain of g ?
Please find
b)
c)
d)
e)
fg (x )
gf ( x
Half term Assignment
Specification reference
This assignment is designed to consolidate your knowledge further and can be done over half term.
At the end of the first week back fully worked answers will be uploaded to moodle. You could also do
it as part