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A function diagram is yet another representation, with parallel x and y axes. Each (x, y) pair is represented by a line segment connecting the input point on the x axis to the output point on the y axis. The line segment is called the input-output line.
Worksheet by Kuta Software LLC Kuta Software - Infinite Algebra 1 Evaluating and Graphing Functions ... Graph each function. 15) f (x) = -2x - 1 x f(x)-8-6-4-22468-8-6-4-2 2 4 6 8 16) f (x) = 4x - 4 x f(x)-8-6-4-22468-8-6-4-2 2 4 6 8 Create your own worksheets like this one with Infinite Algebra 1. Free trial available at KutaSoftware.com
The diagram shows the graph of y = f(x) which is defined for −2 ≤ x ≤ 2. Labelling the axes in a similar way, sketch on separate diagrams the graphs of a y = 3f( x ), (2)
In this setting, we often describe a function using the rule, y = f(x), and create a graph of that function by plotting the ordered pairs (x,f(x)) on the Cartesian Plane. This graphical representation allows us to use a test to decide whether or not we have the graph of a function: The Vertical Line Test.
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viewing window of −10 to 10 (on each axis), the graph will not be in its true perspective. To see a graph in its true perspective, you need to use a square viewing window, in which the tick marks on the x-axis are spaced the same as the tick marks on the y-axis. Mathematically profi cient students select tools, including real objects,
