maggie444 maggie444

21-03-2017
Mathematics

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evaluate 6+ the sq root of 14+x minus - the sq root of 9x when x=2

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ghanami ghanami

22-03-2017

Hello
let : f(x) = 6 + √(14+x) - √(9x)
f(2) = 6 + √(14+2) - √(9×2)
f(2) = 6 + √(16)-√(18)
f(2) = 6 + 4 - √(18) = 10 - √(18)

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