Interactive practice questions
Consider the two graphs:
$A$A: $y=\cos x$y=cosx
$B$B: $y=\cos x+2$y=cosx+2.
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What vertical shift of $y=\cos x$y=cosx results in the graph of $y=\cos x+2$y=cosx+2?
Translating the graph $3$3 units upwards.
A
Translating the graph $2$2 units downwards.
B
Translating the graph $2$2 units upwards.
C
Translating the graph $3$3 units downwards.
D
Easy
< 1min
The function $y=\cos x+5$y=cosx+5 is translated $4$4 units up.
Easy
< 1min
Which of the following transformations of $y=\cos x$y=cosx has a different amplitude to $y=\cos x$y=cosx?
Easy
< 1min
Determine the equation of the graphed function given that it is of the form $y=a\sin x$y=asinx or $y=a\cos x$y=acosx.
Easy
< 1min
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