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Although differentiation is often taught in an abstract way, it's applications are virtually limitless. It's primary purpose is to determine the gradient of a line at a given point on a curve. Unlike with th...

Wave cut platforms are created as a cliff retreats, due to weathering at the top of the cliff and sea erosion at the base of the cliff. Coastal erosion creates a wave-cut notch at the base of the cliff, as t...

The heart muscle is myogenic and initiates a heartbeat through an electrical conduction system; both the sinoatrial node and atrio-ventricular node are essential in this mechanism. The sinoatrial node (SAN) ...

There is a simple trick to drawing the inverse of a given function. First, roughly sketch the original function. This means a sketch of the general shape of the curve with some key characteristics such as it...

First, we must find the value of y when x = 2. y = x 3 +4x+5 = (2) 3 +4(2)+5 = 21 Then we must find the gradient of the tangent line. This can be done by differentiating y with respect to x and substituting ...