TERM ONE 2025
KAZIBA STEPHEN
TOPIC LIST
1. Composite functions
2. Equations and inequalities
3.Linear – programming
ACTIVITY
• Identify all the items in the picture
• Is there a relation that exists
between the items named from the
picture? What relation exists and
explain your response
• Which of the pictures show a
multiple change process? Give an
explanation of your choice
•
Multiple Change Process
Sugarcane Sugar Sweets
→ → Sugarcane Sugar Medicine
→ →
Kaziba stephen
COMPOSITE
FUNCTIONS
KEY WORDS
Learning Objectives
Understand and use function notation
Describe and understand a composite
function
By the end of the lesson you
should be able to
By the end of the lesson you
should be able to
f (x) is read as ‘f of x’ and
means the value of function f at
x.
Function Notation
ACTIVITY
ACTIVITY
ACTIVITY
Evaluate the function f (x) = 2x + 1 at x = 3.
ACTIVITY
ACTIVITY
ACTIVITY
The velocity of a particle is given by v (t) = - 9 m/s.
a) Find the initial velocity .
b) Find the velocity after 4 seconds.
c) Find the velocity after 10 seconds.
d) At what time does the particle come to rest?
The initial
velocity means
the velocity at
the start, when
t = 0.
The particle
comes to rest
when v = 0.
Thank You
F o r Y o u r A t t e n t i o
n

MATHFUNCTIONS - How to calculate functions