20. Logarithmic and Exponential Functions
iGCSE (2021 Edition)
20.02 Transformations of exponential graphs
Interactive practice questions
Which of the following exponential functions are increasing functions?
Select the two options that apply.
$y=\left(\frac{3}{5}\right)^x$y=(35)x
A
$y=9\times3^x$y=9×3x
B
$y=3\times\left(0.5\right)^x$y=3×(0.5)x
C
$y=0.2\times2^x$y=0.2×2x
D
Easy
1min
Which of the following graphs of exponential functions rises most steeply?
Easy
< 1min
Consider the graphs of the two exponential functions $P$P and $Q$Q.
Easy
1min
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