jp3r3z2004 jp3r3z2004 09-12-2022 Mathematics contestada Which function has exactly one real solution? A. f(x) = 6r² + 11 B. f(x) = -41² + 91 C. f(r) = 21² + 41 - 5 D. f(x) = -3r2 + 30r - 75