find the domian of the function f(x) = 2x , f(x) = x^2 + 1 , f(x) = 1 / x - 1 , f(x) = sqrt( x - 5)
Domains of the functions are the following:
f(x) = 2x: (-∞,∞) All real numbers
f(x) = x^2 + 1: (-∞,∞) All real numbers
f(x) = 1/x - 1: (-∞, 0) ∪ (0, ∞)
f(x) = (x - 5)^2: (-∞,∞) All real numbers
Britt
