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From the graph, find the value of y, when
(i) (ii)
(iii)
(i) Our point C to be plotted lies on function y = 3x.
Here, first plotting y = 3x.
Here, x = 3.
∴ Now for abscissa equal to 3, we plot the point on y = 3x, ie y = 3 × 3 = 9
Hence, the value of y is 9
(ii) Our point to be plotted lies on function y = 3x.
Here, first plotting y = 3x.
Here, x = 5.
∴ Now for abscissa equal to 5, we plot the point on y = 3x, ie y = 3 × 5 = 15
Hence, the value of y is 15
(iii) Our point to be plotted lies on function y = 3x.
∴Here, first plotting y = 3x.
Here, x = 6.
∴ Now for abscissa equal to 6, we plot the point on y = 3x, ie y = 3 × 6 = 18
Hence, the value of y is 18