angesay3665 angesay3665 29-02-2024 Mathematics contestada Given f(x) = (x + 4) / (x² - 3x - 28), which of the following is true? a) f(x) is positive for all x > -4 b) f(x) is negative for all x > -4 c) f(x) is positive for all x < 7 d) f(x) is negative for all x < 7
