Trigonometry
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Function equations

The notation for this function is H(x), and its equation is written as: {eq}H(x) = \begin{cases} & \text{0 if } x 0 \\ \end{cases} {/eq}

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The Difference Between Functions & Equations (3 Key

Evaluating functions. What is a function? Worked example: Evaluating functions from

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In order to determine what the math problem is, you will need to look at the given information and find the key details. Once you have found the key details, you will be able to work out what the problem is and how to solve it.

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Equations of Functions

A function relates an input to an output. Saying f (4) = 16 is like saying 4 is somehow related to 16. Or 4 → 16. Example: this tree grows 20 cm every year, so the height of the tree is related to its age using the function h: h(age) = age ×
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Functional equation

Functional equations are equations where the unknowns are functions, rather than a traditional variable. However, the methods used to solve functional equations can be quite different than
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Functions and linear equations (Algebra 2, How

A function is an equation for which any \(x\) that can be plugged into the equation will yield exactly one \(y\) out of the equation. There it is. That is the definition of functions
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Function Equations & Graphs

This equation cannot be solved in elementary functions (unless = 1=2+an integer), so we have to study its solutions by themselves, using the equation. 2. Bessel functions Equation (3) di ers