What is the domain and range of f(x) = 3x + 1?

1 Answer

Domain: -oo<"x"<+oo
Range: -oo<"f(x)"<+oo

Explanation:

This is a linear function. A linear function extends from -oo to +oo, so that all values of x is allowed and the value of f(x) also includes the set of all real numbers. For any real value of x, there corresponds a unique real value of f(x).

Kindly see the graph of f(x)=3x+1

graph{y=3x+1[-20,20,-10,10]}

God bless....I hope the explanation is useful.