a Solve the equation x 2 6 x 8 0 b Use graphing software to draw the graph of f(x) x 2 6 x 8 c Use your graph in part b to find the range of the function f ...

a To solve the equation x2 6x 8 0 we can split it into two cases one when x is positive x 0 and on ...

a. Solve the equation x 2 6|x| + 8 = 0. b. Use graphing software to

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a. Solve the equation x² – 6|x| + 8 = 0.

b. Use graphing software to draw the graph of f(x) = x² – 6|x| + 8.

c. Use your graph in part b to find the range of the function f.

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

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a. Solve the equation x 2 6|x| + 8 = 0. b. Use graphing software to

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Cambridge IGCSE And O Level Additional Mathematics Coursebook

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