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a rule that takes an input, does something to it, and gives back exactly one output. In other words, for every input, there is one and only one output.
Function
a symbol (usually a letter like x or y) that represents a number or value in a mathematical expression or equation. Variables are used to represent unknown values or quantities that can change.
Variable
describes how one quantity changes in relation to another. It is often used to describe the slope of a line.
Rate of Change
the starting point or value of something, often where a situation begins or where a line crosses the y-axis
Initial Value
the variable that you can change or control. It is the "input" of a function or equation. In many real-world problems, it’s the quantity that causes changes in another quantity.
Independent Variable
the variable that depends on the value of the independent variable. It is the "output" of the function or equation. Its value changes based on the value of the independent variable.
Dependent Variable
a linear equation that is written as y=mx+b
Slope Intercept Form
