www.khanacademy.org/math/algebra/algebra-functions/positive-negative-increasing-decreasing-intervals/v/increasing-decreasing-positive-and-negative-intervals

Function values can be positive or negative, and they can increase or decrease as the input increases. Here we introduce these basic properties of functions.

www.coolmath.com/precalculus-review-calculus-intro/precalculus-algebra/11-graphing-increasing-decreasing-01

Pre-Calculus > Increasing and Decreasing of Functions Review ... the main things you'll be hunting in Calculus is where graphs are increasing and decreasing.

www.mathsisfun.com/sets/functions-increasing.html

Increasing and Decreasing Functions. Increasing Functions. A function is " increasing" when the y-value increases as the x-value increases, like this: Increasing ...

mathbitsnotebook.com/Algebra1/FunctionGraphs/FNGFunctionFeatures.html

When looking for sections of a graph that are increasing or decreasing, be sure to look at (or "read") the graph from left to right.

ltcconline.net/greenl/courses/115/applications/increaseDecrease.htm

Increasing and Decreasing Functions. Definition of Increasing and Decreasing. We all know that if something is increasing then it is going up and if it is ...

www.cliffsnotes.com/study-guides/calculus/calculus/applications-of-the-derivative/increasing-decreasing-functions

The derivative of a function may be used to determine whether the function is increasing or decreasing on any intervals in its domain. If f′(x) > 0 at.

www.bbc.co.uk/bitesize/higher/maths/calculus/differentiation/revision/6

Increasing and decreasing functions. Consider the curve with equation y = 4x - x^ 2 , shown below. The gradient of the tangent at any point, is given by f'(x) ...

mathworld.wolfram.com/IncreasingFunction.html

Jeffreys, H. and Jeffreys, B. S. "Increasing and Decreasing Functions." §1.065 in Methods of Mathematical Physics, 3rd ed. Cambridge, England: Cambridge ...