2011-II-37
Ans: D
Consider the general case $y=f(x+h)+k$.
… Read Consider the general case $y=f(x+h)+k$.
For $k$ is po
HKCEE - 2011 - Paper 2 -
2011-II-46
Ans: D
Refer to the graph of $y=\cos x^\circ$, the given grap
… Read Refer to the graph of $y=\cos x^\circ$, the given grap
2011SP-II-25
Ans: A
The 6-sided polygon on the right rotates anti-clockw
… Read The 6-sided polygon on the right rotates anti-clockw
2011SP-II-37
Ans: C
Consider the general case $g(x)=f(x+h)+k$.
… Read Consider the general case $g(x)=f(x+h)+k$.
If $h$ is
2011SP-II-42
Ans: B
Consider the function $y=a\cos(x^\circ+b)$.
… Read Consider the function $y=a\cos(x^\circ+b)$.
$a$ re
2012-II-34
Ans: C
A may not be true. The function $f(x)=\dfrac{1}{2}(x
… Read A may not be true. The function $f(x)=\dfrac{1}{2}(x
2012-II-38
Ans: C
Consider the general case $y=f(x+h)+k$.
… Read Consider the general case $y=f(x+h)+k$.
If $h$ is pos
2012-II-39
Ans: D
Consider the general case $y=a\cos(hx)+k$.
… Read Consider the general case $y=a\cos(hx)+k$.
If $k$ is
2012PP-II-24
Ans: D
I has rotational symmetry and reflectional symmetry
… Read I has rotational symmetry and reflectional symmetry
2012PP-II-31
Ans: D
$g(x)=2f(x)$ means $f(x)$ is enlarged along $y$-axi
… Read $g(x)=2f(x)$ means $f(x)$ is enlarged along $y$-axi
2012PP-II-38
Ans: C
Consider $y=a\sin(x^\circ+\theta)$.
… Read Consider $y=a\sin(x^\circ+\theta)$.
If $\theta$ i
2013-II-15
Ans: B
The four axes of reflectional symmetry are as follow:
… Read The four axes of reflectional symmetry are as follow:
2013-II-39
Ans: A
Consider the graph of $y=\tan x^\circ$.
… Read Consider the graph of $y=\tan x^\circ$.
By comparing
2014-II-38
Ans: A
Note that $y=1-f(x)$ represents reflecting $y=f(x)
… Read Note that $y=1-f(x)$ represents reflecting $y=f(x)
2015-II-39
Ans: D
… Read By comparing the graphs of $y=\sin x^\circ$ and $y=\s
2016-II-23
Ans: A
… Read There are $2$ axes of reflectional symmetry as shown.
2016-II-37
Ans: A
… Read By comparing the given figure to the graph of $y=\cos x
2017-II-31
Ans: D
Note that $g(x) = f\left(\dfrac{x}{2}\right)$ mean
… Read Note that $g(x) = f\left(\dfrac{x}{2}\right)$ mean
2018-II-23
Ans: B
Mark $O$ the centre of rotation. Mark also $A$ in the fi
… Read Mark $O$ the centre of rotation. Mark also $A$ in the fi