Save guides, add subjects and pick up where you left off with your BBC account. To construct the tangent to a curve at a certain point A, you draw a line that follows the general direction of the ...

Below is the graph of a quadratic function, showing where the function is increasing and decreasing. If we draw in the tangents to the curve, you will notice that if the gradient of the tangent is ...

Sketch the graph of the curve whose equation in polar coordinates is \(r=3\cos 3\theta\text{.}\) Sketch the curve whose polar equation is \(r=-1+\cos \theta\text{,}\) indicating any symmetries. Mark ...

The isoquant curve shows the technological tradeoff between capital and labor. Here’s how it can help companies increase their profits.