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If f(x) = {4x-2,x≤-35,-3<x<3x2,x≥3, then find f(– 3) - Mathematics and Statistics

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Question

If f(x) = `{(4x - 2",", x ≤ -3),(5",", -3 < x < 3),(x^2",", x ≥ 3):}`, then find f(– 3)

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Solution

f(x) = `{(4x - 2",", x ≤ -3),(5",", -3 < x < 3),(x^2",", x ≥ 3):}`

f(– 3) = 4(– 3) – 2

= – 12 – 2

= – 14

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Chapter 6: Functions - Exercise 6.2 [Page 128]

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