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f(x) = 2x²

f(x) = 136

→ 2x² = 136

→ x² = 68

→ x = ±√68

As the positive value is required, x = √68 ≈ 8.246

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โˆ™ 2015-04-25 12:04:58
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โˆ™ 2015-01-29 11:34:48

f(x) = 2*x^2 = 136that is x^2 = 136/2 = 68

and so x = + or - sqrt(68).


But x is said to be the positive value so x = +sqrt(68).

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Q: If f of x equals 2x squared what is the positive value of x for which f of x equals 136 With the explanation please Thanks?
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