What is the limit as x approaches 3 of 2x^3-4x-2 ?

The limit as x approaches 3 of 2x^3-4x-2 is 40

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limit as x approaches 3 of 2x^3-4x-2

x \to 3 lim (2 x^{3} - 4 x - 2)

40

Solution steps

x \to 3 lim (2 x^{3} - 4 x - 2)

Plug in the value

x = 3

= 2 \cdot 3^{3} - 4 \cdot 3 - 2

Simplify

2 \cdot 3^{3} - 4 \cdot 3 - 2 : 40

= 40

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What is the limit as x approaches 3 of 2x^3-4x-2 ?
The limit as x approaches 3 of 2x^3-4x-2 is 40