CAIE IGCSE Mathematics Plotting and Solving Function Graphs

Practise calculating and plotting function values, drawing a smooth curve and using a suitable additional line to obtain graphical roots.

Exam points

complete missing table entries by evaluating the printed function at each stated x-value
plot points within the grid tolerance and connect them with one continuous smooth curve
draw the rearranged auxiliary line and record all x-coordinates where it intersects the curve

[Maximum number: 1]

The diagram shows the graph of y=f(x) for $-1.5\leqslant x\leqslant5$ .

Find f(2).

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