at x=0, which of the following is true of the function f defined by f(x) = x^2 + e^-2?

a) f is increasing
b) f is decreasing
c) f is discontinuous
d) f has a relative minimum
e) f has a relative maximum

Respuesta :

f'(x) = 2x = 0  , x = 0    -  so there is a turning point at x = 0
f"(x) = 2

so there is a relative minimum at x = 0

The given function f has a relative minimum and this can be determined by differentiating the given function.

Given :

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

The following steps can be used in order to determine the correct statement about the given function:

Step 1 - Write the given function.

[tex]\rm f(x) = x^2+e^{-2}[/tex]    --- (1)

Step 2 - Differentiate the above function with respect to 'x'.

f'(x) = 2x   --- (2)

Step 3 - Now, equation the above differential function to zero.

2x = 0

x = 0

Step 4 - Now, differentiate the expression (2) with respect to 'x'.

f"(x) = 2 >0

Therefore, from the above steps, it can be concluded that f has a relative minimum. So, the correct option is d).

For more information, refer to the link given below:

https://brainly.com/question/5245372