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With values of x from – 3 to +4, construct the graph of y = 5x2 on a table of
values.
(b) Use a scale of 2cm = 1 unit on the x- axis and 2cm = 2units on the y-axis
(c) Determine the gradient of the curve at the points
(i) A (1,5), and
(ii) B (-1.2, 7.2)