Question

How to write an equation for functions

Answer 1

A function is an equation that has only one answer for y for every x. A function assigns exactly one output to each input of a specified type. It is common to name a function either f(x) or g(x) instead of y. f(2) means that we should find the value of our function when x equals 2.

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Answer 2

Functions main problem is to find the missing variable. A function is an equation in which all of the variables are dependent. For example: if you buy 2 bags of oranges and you pay ten dollars for them but the amount of money you pay for the oranges would change each time you add another bag of oranges and how much you owe for the oranges is the dependent variable. So writing a equation would mainly look like this:

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So each time you add another bag of oranges the number will increase v3, v4, etc...

Hope this helps!