Exponential Functions
New Zealand
Level 7 - NCEA Level 2
Characteristics and Domain and Range of Exponential Functions
Interactive practice questions
Which of the following scenarios involve a limiting value? Select all the correct options.
The amount of radiation in the air after a nuclear disaster if the radiation decreases by half every $100$100 years.
A
The number of employees in a company over the next $10$10 years.
B
Saving $\$100$$100 each week until the savings target is reached.
C
The value of a piece of machinery if it decreases by $30%$30% each year.
D
Easy
< 1min
Consider the expression $3^x$3x.
Easy
1min
The graph of $y=2^x$y=2x is displayed here.
Easy
2min
Consider the function $y=3^x$y=3x.
Easy
4min
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