Unit 2: Functions

Topic 2.8: Graph transformations (HL only) Questions

Practice 13 exam-style questions for IB Math AI SL Topic 2.8. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.

11 mark
2026
Which transformation reflects y = f(x) in the y-axis?
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2Find2 marks
2026
The point (3, −2) lies on y = f(x). Find its image on the graph of y = f(x − 2) + 5.
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31 mark
2026
y = f(x) + 3 transforms the graph by:
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4Sketch1 mark
2026
Sketch , marking the image of the maximum.
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5State2 marks
2026
The curve y = f(x) crosses the x-axis at x = −2 and x = 6. State the x-intercepts of y = f(x − 4).
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6Describe3 marks
2026
A company's daily profit (in $1000s) is P = f(d), d days after launch. A consultant proposes a revised plan g(d) = f(d − 7) + 4.
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7Find3 marks
2026
The graph of y = f(x) is transformed to y = f(2x) + 1. The original has a minimum at (8, −3). Find the new minimum.
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81 mark
2026
y = f(3x) compared with y = f(x) is:
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9Find2 marks
2026
y = f(x) has a maximum at (1, 8). Find the maximum of y = ½ f(x) − 3.
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101 mark
2026
y = f(x) has a horizontal asymptote y = 2. The asymptote of y = 3f(x) is:
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111 mark
2026
Under g(x) = f(x − 5) − 2, the point (3, 4) on y = f(x) maps to:
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12Describe3 marks
2026
A noise level is modelled by L = f(t). A change makes it everywhere twice as loud and reflects the pattern in the time axis (t → −t). Write the new model and describe both transformations.
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13Find6 marks
2026
Find the coordinates of the minimum of and the value of , describing the transformations involved.
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