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Find x, if g(x) = 0 where g(x) = 18-2x27 - Mathematics and Statistics

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Question

Find x, if g(x) = 0 where g(x) = `(18 -2x^2)/7`

Sum

Solution

g(x) = `(18 -2x^2)/7`

g(x) = 0

∴ `(18 -2x^2)/7` = 0

∴ 18 – 2x2 = 0

∴ x2 = `18/2` = 9

∴ x = ±3

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Chapter 6: Functions - Exercise 6.1 [Page 118]

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