What is the limit as x approaches-4 of 3x^2+12x ?

The limit as x approaches-4 of 3x^2+12x is 0

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limit as x approaches-4 of 3x^2+12x

x \to - 4 lim (3 x^{2} + 12 x)

0

Solution steps

x \to - 4 lim (3 x^{2} + 12 x)

Plug in the value

x = - 4

= 3 (- 4)^{2} + 12 (- 4)

Simplify

3 (- 4)^{2} + 12 (- 4) : 0

= 0

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

x \to 0 lim (x^{1} sin (\frac{1}{x}))

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

x \to 0 lim (\frac{ln ( 1 + x ^{2} )}{2 x ^{2}})

x \to 0 lim (2 e^{x} cos (x))

What is the limit as x approaches-4 of 3x^2+12x ?
The limit as x approaches-4 of 3x^2+12x is 0