absolutely monotone function

convex-monotone function

monotone decreasing

monotone function

strictly monotone decreasing

strictly monotone decreasing solution

strictly monotone function

decreasing function

increasing function and decreasing function

monotonic decreasing function

monotonically decreasing function

non-decreasing function

rigorous increasing decreasing function

delta function (=δ-function)

function， function key

monotone and fuzzy monotone mappings

Analgesia function and anti-inflammation function

calibration function or curve [function]

characteristic function (= eigen-function)