What is the limit as x approaches-1 of (x+3x^4)^3 ?

The limit as x approaches-1 of (x+3x^4)^3 is 8

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limit as x approaches-1 of (x+3x^4)^3

x \to - 1 lim ((x + 3 x^{4})^{3})

8

Solution steps

x \to - 1 lim ((x + 3 x^{4})^{3})

Plug in the value

x = - 1

= (- 1 + 3 (- 1)^{4})^{3}

Simplify

(- 1 + 3 (- 1)^{4})^{3} : 8

= 8

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What is the limit as x approaches-1 of (x+3x^4)^3 ?
The limit as x approaches-1 of (x+3x^4)^3 is 8