The domain of function r is (-∞, -7) U (-7, 5) U (5, ∞), and

Last updated: 7/23/2022

The domain of function r is (-∞, -7) U (-7, 5) U (5, ∞), and the value of the function approaches 1 as x approaches -∞ and ∞. Which function could be function r? A. f(x) = x-5/x+7 B. f(x) = 2x-35/x^2+2x-35 C. f(x) = x^2-3x-15/x^2+2x-35 D. f(x) = x^2+2x-35/x^2-3x-15