The sketch graph shows the curve of y = 3x 2 x 3 . The marked
Question:
The sketch graph shows the curve of y = 3x2 − x3. The marked point, P, has coordinates (2, 4).
a. Find:
i. The gradient function dy/dx
ii. The gradient of the curve at P
iii. The equation of the tangent at P
iv. The equation of the normal at P.
b. The graph touches the x-axis at the origin O and crosses it at the point Q.
Find:
i. The coordinates of Q
ii. The gradient of the curve at Q
iii. The equation of the tangent at Q.
c. Without further calculation, state the equation of the tangent to the curve at O.
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Related Book For
Cambridge IGCSE And O Level Additional Mathematics
ISBN: 9781510421646
1st Edition
Authors: Val Hanrahan, Jeanette Powell
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