Look for the leftmost and rightmost points of the graph. If the graph extends indefinitely to the left or right, the domain ...

As a tangent is a straight line it is described by an equation in the form \(y - b = m(x - a)\). You need both a point and the gradient to find its equation. You are usually given the point - it's ...

The first step is to calculate the derivative of the function, often denoted as f' (x). The derivative represents the rate of ...