.
Exponential Growth
y = 2x
x
–3
–2
–1
1
2
3
y
Exponential Growth
Non-linear growth and the graph is an upward curve
It is an increasing relation
The base is a whole number greater than (ex. y =2x)
Exponential Decay
1
Y = (2)𝑥
x
–3
–2
–1
1
2
3
y
Exponential Decay
Non-linear decay and the graph is a downward curve
It is decreasing relation
The base is a fraction less than 1
(ex. y =(½)x)
Example: Decide whether the given relation is exponential: