The graph of y = f(x) is shown in red below. Find f(2). Assume grid lines are spaced 1 unit apart.
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The graph of y = f(x) is shown in red below. Find f(2). Assume grid lines are spaced 1 unit apart.
The edge of the grid is cut off before the curve gets to x = 2 so f(2) can't be read directly.
However, the curve is labelled y = 3x – therefore, using that, when x equals 2, then y = 9.
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