Question: a) Using a scale of 1 cm to 1 unit, plot the graph of y = x + x 2 for 3 x

a) Using a scale of 1 cm to 1 unit, plot the graph of y = x² + x − 2 for −3 ≤ x ≤ 3.

b) Estimate the gradient of the tangent to the curve at the point (2, 4).

c) Estimate the gradient of the tangent to the curve at the
point (−1, −2).

y = x² + x − 2

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