edog1029 edog1029
  • 02-06-2021
  • Mathematics
contestada

What is Limit of (x cubed + 3 x squared minus 5) as x approaches negative 2?
–25
–15
–9
–1

Respuesta :

joaobezerra joaobezerra
  • 07-06-2021

Answer:

–1

Step-by-step explanation:

We want to find the following limit:

[tex]\lim_{x \rightarrow -2} x^3 + 3x^2 - 5[/tex]

Since the function does not have any discontinuity(point in which the denominator is 0, for example), we just replace the values of x by -2. So

[tex]\lim_{x \rightarrow -2} x^3 + 3x^2 - 5 = (-2)^3 + 3(-2)^2 - 5 = -8 + 12 - 5 = -13 + 12 = -1[/tex]

The value of the limit is -1.

Answer Link
stellamorin007
stellamorin007 stellamorin007
  • 14-06-2021

Answer:

Step-by-step explanation:

D. -1

Answer Link

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