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

Pierre always walks from left to right. If Pierre is climbing uphill, then the graph is increasing: on the intervals ( -infinity , -3 ) U ( 1 , 4 ). So, our graph is increasing ...

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.khanacademy.org/math/algebra/algebra-functions/positive-negative-increasing-decreasing-intervals/e/increasing-decreasing-intervals-of-functions

Highlight intervals on the domain of a function where it's only increasing or only decreasing.

www.varsitytutors.com/calculus_1-help/how-to-find-increasing-intervals-by-graphing-functions

Free practice questions for Calculus 1 - How to find increasing intervals by graphing functions. Includes full solutions and score reporting.

mathbitsnotebook.com/Algebra1/FunctionGraphs/FNGFunctionFeatures.html

The positive regions of a function are those intervals where the function is above ... By definition: A function is strictly increasing on an interval, if when x1 < x2, ...

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

What if we can't plot the graph to see if it is increasing? ... This function is increasing for the interval shown (it may be increasing or decreasing elsewhere) ...

www.chegg.com/homework-help/definitions/intervals-of-increase-and-decrease-29

Intervals of increase and decrease are the domain of a function where its value is getting larger or smaller, respectively. For a function f(x) over an interval where ...