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- Graph a Function
Revision notes on 7.2.4 Stationary Points & Turning Points for the Edexcel A Level Maths: Pure syllabus, written by the Maths experts at Save My Exams.
Apr 5, 2024 · This free step-by-step guide on how to find the domain and range of a graph will review key definitions, interval notation, and several examples of how to find domain and range of a graph expressed using interval notation.
first quadrant. is used. A graph has two axes that form an L-shape. The axes are labelled 𝒙 and 𝒚. The 𝒙-axis is the horizontal line and the 𝒚-axis is the vertical line. The origin is...
A relation is a function if and only if each object in its domain is paired with one and only one object in its range. Consider the mapping diagram in Figure 3.3.2, where we’ve used arrows to indicate the ordered pairs (x, y1) and (x, y2) in Figure 3.3.1 (c).
To draw the line 𝒚 = 𝒙, plot points with coordinates where 𝒙 and 𝒚 are equal. Although three points are sufficient, more points may be plotted.
The x-axis is horizontal, and the y-axis is vertical. One way to remember which axis is which is ' x is a cross so the \({x}\)-axis is across'. Or you can remember’ y is up’ or ‘wise up’.