# math

posted by
**Anonymous**
.

if the derivative of f is f'(x)=ln(x^2+1)-2, at which of the following values of x does f have an absolute minimum value?

2.53

0

4.44 or

1.72

posted by
**Anonymous**
.

if the derivative of f is f'(x)=ln(x^2+1)-2, at which of the following values of x does f have an absolute minimum value?

2.53

0

4.44 or

1.72