WorksheetsIGCSE
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Evaluate f(-2) if f(x) = x+3
a)
-1
b)
1
c)
5
d)
-5
2.
Given
f(x)= 2x2 + 5x - 17, find f(-1).
f(x)= 2x2 + 5x - 17, find f(-1).
a)
f(-1) = -20
b)
f(-1) = -24
3.
Given f(x) = 3x + 10
and g(x) = x - 2
Find f(g(5))
and g(x) = x - 2
Find f(g(5))
a)
19
b)
23
c)
-10
d)
None of these.
4.
f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))
g(x) = x - 2
Find g(f(-10))
a)
-42
b)
-26
c)
-18
d)
None of these.
5.
What is f(g(3))?
a)
1/8
b)
8
c)
1/4
d)
1/2
6.
Given that f(x) = x2 + x and g(x) = 3x + 1, find the value of f(g(4)).
a)
182
b)
40
c)
61
d)
None of the Above
7.
f(n)=2n+1
g(n)=3n
Find f(n)+g(n)
g(n)=3n
Find f(n)+g(n)
a)
5n+1
b)
-5n+1
c)
-2n+1
d)
-6n-1
8.
Find the next term of
7,13,19,25,31,...
a)
36
b)
37
c)
38
d)
39
9.
Find the nth term of
7,13,19,25,31,...
(a)
10.
Given Tn = an2 +bn where a and b are integers.
Given that T2=−2 and T4=12 . Determine the third terms T3 .
(a)
100 %
