Exponentials
Hong Kong
Stage 4 - Stage 5
Finding Exponential Equations in Context
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
Approx a minute
Consider the function $y=0.98\left(0.2\right)^x$y=0.98(0.2)x.
The local rat population numbers approximately $750$750 and is increasing at a rate of $3%$3% per year.
A large rectangular piece of paper is folded in half repeatedly. After every fold, the paper is reopened and the number of rectangles counted.
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