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Functions
Linear, quadratic and exponential functions.
What is a quadratic function?
A quadratic function produces a parabola — the characteristic U-shape seen everywhere from bridges t…
What is a linear function?
A linear function is the simplest and most important function type in upper secondary school. It des…
What is an exponential function?
Exponential functions describe growth or decay that occurs at a fixed percentage rate — from bank in…