takahriej3424 takahriej3424 14-03-2024 Mathematics contestada Find dy/dx. y = (x³) (1/4) (7 - 9x) a) (1/4) (7 - 9x) (x²) (-3/4) b) (1/4) (7 - 9x) (x²) (-1/4) c) (1/4) (7 - 9x) (x²) (1/4) d) (1/4) (7 - 9x) (x²) (3/4)