3. Functions

Use the graph to evaluate each expression. See Example 3(a).

(ƒ/g)(1)

Use the graph to evaluate each expression. See Example 3(a).

(ƒg)(0)

Use the graph to evaluate each expression. See Example 3(a). 

(ƒ+g)(0)

Use the graph to evaluate each expression. See Example 3(a).

(ƒ/g)(2)

Find ƒ+g, ƒ- g, ƒg and ƒ/g. Determine the domain for each function. f(x) = 2x² − x − 3, g (x) = x + 1

Find fg and determine the domain for each function. f(x) = 2x² − x − 3, g (x) = x + 1

Find f−g and determine the domain for each function. f(x) = 2x² − x − 3, g (x) = x + 1

Find f/g and determine the domain for each function. f(x) = 3 − x², g(x) = x² + 2x − 15

Find fg and determine the domain for each function. f(x) = 3 − x², g(x) = x² + 2x − 15

Find fg and determine the domain for each function. f(x) = √x, g(x) = x − 4

Find f−g and determine the domain for each function. f(x) = √x, g(x) = x − 4

Find fg and determine the domain for each function. f(x) = 2 + 1/x, g(x) = 1/x

Find ƒ+g and determine the domain for each function. f(x) = 2 + 1/x, g(x) = 1/x

Find ƒ+g and determine the domain for each function.

f(x)= = (5x+1)/(x² - 9), g(x) = (4x -2)/(x² - 9)