Shape and Space 10
2 marks · NormalWrite down the maximum and minimum values of the function for .
Work this out on paper, then compare with the answer and worked solution below. With a free account you can submit written answers for marking.
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(a) 1
(b) -1
Common mistakes: Writing only one value; Swapping maximum and minimum
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Marking points
B1 · 1 mark · 1 for stating the maximum is 1.
B2 · 1 mark · 1 for stating the minimum is -1.
Worked solution
The maximum value of for is 1, and the minimum value is -1.