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# What is the apex of a curve?

**The apex of a curve is its highest point.** Geometric use of the term "apex" generally refers to solids or to shapes with corners such as triangles. In autoracing and other motor sports, the apex is the point on the track that is closest to the inside of a curve.

An apex is a special type of vertex. A vertex is generally a corner of a figure, a common endpoint for two or more sides. In the case of curves, which do not have corners, a vertex is the sharpest point of the curve. Usually, this is some maximum or minimum value along the vertical axis. An apex is the highest vertex. In motorsports, the apex of a curve is a key concept for finding the best point on a track to start a turn in order to get the best racing time.

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## What is the phase shift formula?

A: The phase shift formula for a trigonometric function, such as y = Asin(Bx - C) + D or y = Acos(Bx - C) + D, is represented as C / B. If C / B is positive, ... Full Answer >Filed Under: -
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## What are the derivatives of inverse functions?

A: The derivative of an inverse function is a calculation of the slope at a particular point of a function that acts in the reverse manner of another function... Full Answer >Filed Under: -
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## What does "tangent to the x axis" mean?

A: A tangent line is a line that touches but does not cross the graph of a function at a specific point. If a graph is tangent to the x-axis, the graph touche... Full Answer >Filed Under: -
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## What is the azimuth angle?

A: The azimuth angle in astronomy is the arc of the horizon measured clockwise from the south point or north point of the horizon to the point on the horizon ... Full Answer >Filed Under: