Question Type 4: Creating a description explaining function transformations
Question Type 4: Creating a description explaining function transformations Exercises
Written by official IB examiners
Question 1
Skill question
For the function
y=5sin(2x−6),
determine the x-coordinate of the first local minimum after x=3.
[4]
Question 2
Skill question
Find the derivative dxdy of
y=5sin(2x−6)
and determine the x-values where this derivative is zero for 3≤x≤3+π.
[4]
Question 3
Skill question
What is the equation of the midline of the function
y=5sin(2x−6)?
[2]
Question 4
Skill question
This question requires solving a trigonometric equation over a given interval, involving a horizontal shift and a change in period. Students must find all solutions within the domain [0,2π].
Solve the equation 5sin(2x−6)=3 for 0≤x≤2π.
[6]
Question 5
Skill question
Find the range of the function
y=5sin(2x−6).
[2]
Question 6
Skill question
Express the function
y=5sin(2x−6)
in the form
y=Asin(B(x−C))+D
by identifying A, B, C, and D.
[3]
Question 7
Skill question
Find the x-intercepts of
y=5sin(2x−6)
within the interval [0,2π].
[4]
Question 8
Skill question
Transformations of trigonometric functions.
Describe in words how the graph of y=sin(x) changes when it is transformed into y=5sin(2x−6).
[4]
Question 9
Skill question
Starting from y=sin(x), write the equation of the function after applying a horizontal compression by a factor of 21, a horizontal shift right by 3 units, and a vertical stretch by a factor of 5.
[3]
Question 10
Skill question
Find the equation of the function obtained by transforming the graph of y=sin(x) such that it has an amplitude of 5, a period of π, a phase shift of 3 units to the right, and no vertical shift.
[4]
Question 11
Skill question
Determine the smallest positive period of
y=5sin(2x−6).
[2]
Question 12
Skill question
A point moves according to the law
y=5sin(2x−6).
Find the smallest positive x such that y=−5.
[4]
Question 13
Skill question
Sketch one period of y=5sin(2x−6) and label all maximum, minimum, and x-intercept points.
[4]
Question 14
Skill question
Functions: Transformations of graphs
Describe the sequence of transformations that maps the graph of y=sin(x) to the graph of y=5sin(2x−6).
[4]
Question 15
Skill question
Determine all x-values (general form) for which
y=5sin(2x−6)
attains its maximum value.
[3]
Question 16
Skill question
State the amplitude, period, phase shift, and vertical shift of the function
y=5sin(2x−6).