Question

find the domain and range of the function g x = 3x-2​

Answer 1

Domain: (−∞,+∞)

Range: (−∞,+∞)

g(x)=3x+2

g(x) is a linear function defined ∀x∈R

Hence, the domain of g(x) is (−∞,+∞)

g(x) has no upper or lower limits

∴ the range of g(x) is also (−∞,+∞)