Decreasing Functions

Definition

A decreasing function is a function in which the y-values decrease as the x-values increase. In other words, as you move from left to right on the graph, the curve slopes downward.

Related terms

Increasing Function:

A function where y-values increase as x-values increase.

Monotonic Function: A function that either always increases or always decreases; it does not change direction.

Inflection Point:

A point on a curve where the concavity changes, from being upward to downward or vice versa.