The intervals where a function is increasing (or decreasing) correspond to the intervals where its derivative is positive (or negative). So if we want to find the intervals where a function

Determine math equations

Determine math tasks

Download full solution

x = 5,−5. The values which make the derivative equal to 0 are 5,−5. 5,−5. Split (−∞,∞) into separate intervals around the x values that make the derivative 0 or undefined. (−∞,−5)∪(−5,5)∪(5,∞)

Increasing/Decreasing Test and Critical Numbers

Process for finding intervals of increase/decrease If possible, factor f ′ . If f ′ is a quotient, factor the numerator and denominator (separately). This will help you find the sign of f ′. Find all

Reach support from expert tutors

Reach out to our expert tutors for help with your studies.

Clarify mathematic question

Mathematics is the study of numbers, shapes, and patterns. It is used to describe and explain the physical world around us.

Improve your scholarly performance

One way to improve your scholarly performance is to keep a learning journal.

A function basically relates an input to an output, there’s an input, a relationship and an output. For every input

GET SUPPORT INSTANTLY

If you're looking for academic help, our expert tutors can assist you with everything from homework to test prep.

Writing Versatility

No matter what you're writing, it's important to be versatile and adapt to your audience.

Solve mathematic equation

If you want to solve a mathematic equation, you need to have good problem-solving skills.