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1
The functions f(x) and g(x) are given by the following:
f(x) =
x
g(x) =
+ 2x
Calculate the value of gf(
)
2
Q1 Tutorial
2
The functions f(x) and g(x) are given by the following:
f(x) =
x
g(x) =
+ 2x
Calculate the value of gf(
)
2
Q2 Tutorial
3
The functions f(x) and g(x) are given by the following:
f(x) =
x
g(x) = 3x -
Solve the equation fg(x) =
4
Q3 Tutorial
4
The functions f(x) and g(x) are given by the following:
f(x) =
x
g(x) = 3x -
Solve the equation fg(x) =
4
Q4 Tutorial
5
For all values of x
f(x) = x
2
+
g(x) = x -
fg(x) can be written as x
2
- ax + b, where a and b are integers.
Find a and b
a =
b =
2
Q5 Tutorial
6
For all values of x
f(x) = x
2
+
g(x) = x -
fg(x) can be written as x
2
- ax + b, where a and b are integers.
Find a and b
a =
b =
2
Q6 Tutorial
7
f is such that
f(x) =
x -
Find f
-1
(x)
f
-1
(x) =
/
2
Q7 Tutorial
8
f is such that
f(x) =
x -
Find f
-1
(x)
f
-1
(x) =
/
2
Q8 Tutorial
9
For all values of x,
f(x) =
x -
/
Work out f
-1
(x)
f
-1
(x) =
/
3
Q9 Tutorial
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