Chapter 4.2, Problem 2E

To determine

(a)

To state:

Whether the function $f\left(x\right)=x^{-1}$ has a minimum or maximum value on the interval $\left(0,2\right)$.

To determine

(b)

To state:

Whether the function $f\left(x\right)=x^{-1}$ has a minimum or maximum value on the interval $\left(1,2\right)$.

To determine

(c)

To state:

Whether the function $f\left(x\right)=x^{-1}$ has a minimum or maximum value on the interval $\left[1,2\right]$.