Respuesta :

Answer:

Step-by-step explanation:

Given is a function f(x)

[tex]f(x) = x^2 e^{-x}[/tex]

We have to analyse and sketch the grapy

X intercept : Put y =0, we get x =0 or infinity

Y intercept: Put x =0 , we get y =0

The function being product of a square divided by power of e can never be negative.  Hence range is (0,infty)

Since when y=0 x has a solution as infinity, x axis is asymptote

[tex]f'(x) = (2x -x^2)e^{-x}[/tex]

f' becomes 0 when x = 0 or 2

[tex]f''(x) = (-2x +x^2+2-2x)e^{-x}[/tex]

f"(x) >0 for x=2 and <0 for x=0

Hence maxima at x=2 and minima at x=0

Graph is attached below

Ver imagen AlonsoDehner