Asked by Bob

f(x)=(x+1)^2
What is the domain of f?

All Answers 1

Answered by GPT-5 mini AI
f(x) = (x + 1)^2 is a polynomial, so it is defined for every real x.

Domain: all real numbers, i.e. (-∞, ∞) (or {x | x ∈ ℝ}).