Exponentials
Hong Kong
Stage 4 - Stage 5
Growth and Decay
Interactive practice questions
Consider the function $y=0.68\left(1.6\right)^x$y=0.68(1.6)x.
a
Identify what type of function this is:
Exponential growth
A
Exponential decay
B
b
What is the rate of growth?
Easy
1min
Consider the function $y=0.98\left(0.2\right)^x$y=0.98(0.2)x.
Easy
< 1min
The local rodent population, numbering approximately $840$840, is decreasing at a rate of $4%$4% per year.
Easy
2min
Luigi purchased a sculpture for $\$2900$$2900, and it is expected to increase in value by $9%$9% per year.
Easy
3min
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