👉 At its core, working with mathematical functions involves understanding how inputs (the values you feed into the function) transform into outputs through a set of defined rules. For instance, in a linear function like \( f(x) = mx + b \), the input \( x \) is multiplied by a constant \( m \) (slope) and then added to a constant \( b \) (y-intercept). This process can be visualized as a straight line on a coordinate plane, where each point \((x, f(x))\) represents an input-output pair. For more complex functions, such as quadratic (\( f(x) = ax^2 + bx + c \)), the transformation involves squaring, multiplying by a constant, adding another constant, and taking the square root (if applicable), creating a parabolic curve. The key is to apply these rules consistently to derive the output from any given input, often requiring algebraic manipulation and an understanding of function properties like domain (allowed inputs) and range (possible outputs).