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

The limit as x approaches-4 of 3x^2+x+3 is 47

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

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

47

Solution steps

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

Plug in the value

x = - 4

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

Simplify

3 (- 4)^{2} - 4 + 3 : 47

= 47

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

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

x \to \infty lim (x - 9)

x \to 5 lim (\frac{x ^{2} + 2}{3 x})

h \to 0 lim (2 h + 11)

What is the limit as x approaches-4 of 3x^2+x+3 ?
The limit as x approaches-4 of 3x^2+x+3 is 47