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Beschreibung
Karteikarten von Brianna Duncan, aktualisiert more than 1 year ago
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Erstellt von Brianna Duncan
vor mehr als 6 Jahre
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| Frage | Antworten |
| The arc of a curve | Part or section of a curve between two points. |
| Asymptote | A line towards which a curve approaches but never touches. |
| Cartesian coordinates | Named after Descartes. A system of locating points (x, y) on a number plane. Point (x, y) has Cartesian coordinates x and y. |
| Curve | Another word for an arc. When a function consists of all values of x on an interval, the graph of y = f(x). |
| Dependent variable | A variable is a symbol that can represent any value in a set of values. A dependent variable is a variable whose value depends on the value chosen for the independent variable. |
| Direct relationship | Occurs when one variable varies directly with another i.e. as one variable increases, so one variable decreases so do the other. |
| Discrete | Separate values of a variable rather than a continuum. The values are distinct and unrelated. |
| Domain | The set of possible values of x in a given domain for which a function is defined. |
| Even function | An even function has a line symmetry (reflection) about the y-axis, and f(-x) = -f(x). |
| Function | For each value of the independent variable x, there is exactly one value of y, the dependent variable. A vertical line test can be used to determine if a relationship is a function. |
| Independent variable | A variable is independent if it may be chosen freely within the domain of the function. |
| Odd function | An odd function has rotational symmetry about the origin (0,0) and where f(-x) = -f(x). |
| Ordered pair | A pair of variables, one independent and one dependent, that together make up a single point in the number plane, usually written in the form (x,y). |
| Ordinates | The vertical or y coordinates of a point are called ordinates. |
| Range | The set of real numbers that the dependent variable y can take over the domain (sometimes called the image of the function). |
| Vertical line test | A vertical line will only cut the graph of a function in at most one point. If the vertical line cuts the graph in more than one point, it is not a function. |
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