Curved graphs can be used to solve equations. The points at which the curve crosses a particular line on the graph are the solutions to the equation. If we want to solve the equation \(\text{x}^ ...

you draw a line that follows the general direction of the curve at that point. An example of this can be seen below. Once the tangent is found you can use it to find the gradient of the graph by ...

If your baby is "following the curve" of the growth chart, she's paralleling ... If a child's weight is at the 50th percentile line, that means that out of 100 normal children her age, 50 will ...