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HOw to solve question no. 18 please tell all the concept you have used in this

HOw to solve question no. 18 please tell all the concept you have used in this

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Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Range of f(x) = 4|x|^3 – 3x
i dont there is any mod or not since it isnot clearly visible bu i am soolving for mod here,
when x > 0 
y = 4x^3 – 3x
when x
y = -4x^3 – 3x
Plot both the grapdhs for given interval and then find the Range simply.

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