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# Category: Algebra

link to Range Of A Function (6 Common Questions Answered)
link to Domain Of A Function (6 Common Questions Answered)
link to Difference Between Quadratic & Exponential Functions (3 Key Ideas)
link to What Is Quadratic Vertex Form? (4 Common Questions Answered)
link to When Is An Equation Linear? (5 Key Things You Should Know)
link to Compound Inequalities (5 Key Things You Should Know)

When we talk about functions in math, we want to know what set of output values are valid and possible (known as the range or image of the function). Knowing the range of a function also helps...

When we talk about functions in math, we want to know what set of input values are valid (known as the domain). Knowing the domain of a function also helps us to figure out the range (the set...

Difference Between Quadratic & Exponential Functions (3 Key Ideas)

You will often see both quadratic and exponential functions in math, science, finance, and other topics. It can be helpful to see the differences between them compared side-by-side. So, what...

What Is Quadratic Vertex Form? (4 Common Questions Answered)

A quadratic has 3 different forms, and we can switch between all of them (with a little algebra, of course!) The vertex form of a quadratic is helpful for several reasons, so it helps to know...

Linear equations are used in math throughout algebra and beyond. Knowing how to solve a linear equation helps us to solve other types of equations, including quadratics, cubics, and other...

A compound inequality can express a range of values, which is useful to indicate uncertainty (such as when making estimates or projections). However, there are two basic types of compound...