Question: Sketch the graph of the function (see Example 8.2) with formula y = (10 + 2x)x Data from Example 8.2 An isosceles trapezium has the

Sketch the graph of the function (see Example 8.2) with formula y = (10 + 2x)x

Data from Example 8.2

An isosceles trapezium has the dimensions, expressed in cms, shown in Figure 8.1. Find the formula which relates the enclosed area A cm² to the height x cm. Evaluate A for x = 1, 2, 3, 4 and 5.

2x X Figure 8.1 Trapezium 10 X 2x

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