What is the limit as x approaches-4 of 2x^7+8x^4-1 ?

The limit as x approaches-4 of 2x^7+8x^4-1 is -30721

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limit as x approaches-4 of 2x^7+8x^4-1

x \to - 4 lim (2 x^{7} + 8 x^{4} - 1)

- 30721

Solution steps

x \to - 4 lim (2 x^{7} + 8 x^{4} - 1)

Plug in the value

x = - 4

= 2 (- 4)^{7} + 8 (- 4)^{4} - 1

Simplify

2 (- 4)^{7} + 8 (- 4)^{4} - 1 : - 30721

= - 30721

What is the limit as x approaches-4 of 2x^7+8x^4-1 ?
The limit as x approaches-4 of 2x^7+8x^4-1 is -30721