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04-12-2020
Mathematics

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given the functions f(x)=2x-4 and g(x)= x+2 find the value of x
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04-12-2020

x = 0 and x = 4

To find intersection equate them.

x² - 2x - 4 = 2x - 4

subtract 2x - 4 from both sides

x² - 4x = 0 → (take out common factor x)

x(x - 4 ) = 0 ⇒ x = 0 , x = 4

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