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19 Cards in this Set
- Front
- Back
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Domain
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Input values (x)
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Range
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Output values (y)
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List the domain and range
(-2;4) (-1;1) |
Domain = (-2, -1)
Range = (4, 1) |
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Function
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For every x value there is only one y value
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F(x) = x2 +1
X = -1 |
The point is (-1;2)
F(-1) = 2 |
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Duel intercept method
F(x) = 2x-4 |
Let x then y = 0
(2;-4) |
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Gradient method
Y= 2/3 x +2 |
Use gradient of line and they y intercept
(3;4) |
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Straight line
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Y = ax + q
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Parabola
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Y = ax^2 + q
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Hyperbola
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Y = a/x + q
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Exponential
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Ax^2 + q
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Semi circle
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(Square root) r^2 - x^2
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Circle
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Y^2 + x^2 = n^2
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Domain and range of the hyperbola
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Domain = x E r - (0)
Range = y E r - (0) |
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Domain and range of the exponential graphs
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Domain = x E r
Range = y E (0;infinity) |
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Domain and range of a circle
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Domain = x E (-r;r)
Range = x E (-r;r) |
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Vertical line test
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If a vertical line cuts the graph at two points then the graph is not a function
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Asymptote
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X and y
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Axis of symmetry
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Reflection
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