What is the limit as x approaches 1 of x^3+4x-20 ?

The limit as x approaches 1 of x^3+4x-20 is -15

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limit as x approaches 1 of x^3+4x-20

x \to 1 lim (x^{3} + 4 x - 20)

- 15

Solution steps

x \to 1 lim (x^{3} + 4 x - 20)

Plug in the value

x = 1

= 1^{3} + 4 \cdot 1 - 20

Simplify

= - 15

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What is the limit as x approaches 1 of x^3+4x-20 ?
The limit as x approaches 1 of x^3+4x-20 is -15