What is the limit as x approaches-1 of 4x^3+x^2+2x+1 ?

The limit as x approaches-1 of 4x^3+x^2+2x+1 is -4

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limit as x approaches-1 of 4x^3+x^2+2x+1

x \to - 1 lim (4 x^{3} + x^{2} + 2 x + 1)

- 4

Solution steps

x \to - 1 lim (4 x^{3} + x^{2} + 2 x + 1)

Plug in the value

x = - 1

= 4 (- 1)^{3} + (- 1)^{2} + 2 (- 1) + 1

Simplify

4 (- 1)^{3} + (- 1)^{2} + 2 (- 1) + 1 : - 4

= - 4

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What is the limit as x approaches-1 of 4x^3+x^2+2x+1 ?
The limit as x approaches-1 of 4x^3+x^2+2x+1 is -4