3. Functions

In Exercises 87–88, find a. (f ○ g)(x); b. the domain of (f ○ g). f(x) = (x + 1)/(x - 2), g(x) = 1/x

Use the graphs of f and g to solve Exercises 83–90.

Graph f+g.

Use the graphs of f and g to solve Exercises 83–90.

Graph f-g.

Let ƒ(x) = √(x-2) and g(x) = x^2. Find each of the following, if possible. (g ○ ƒ)(x)

Let ƒ(x) = √(x-2) and g(x) = x^2. Find each of the following, if possible. (g ○ ƒ)(3)

Use the table to evaluate each expression, if possible. (ƒ+g)(1)

Use the table to evaluate each expression, if possible. (f/g) (0)

The graphs of two functions ƒ and g are shown in the figures.

Find (ƒ∘g)(2).