# Sketch the curves with equations given in question 3 parts a, b, c and d, labelling any

## Question:

Sketch the curves with equations given in question 3 parts a, b, c and d, labelling any stationary points with their coordinates.

**Data from Question 3**

Find the coordinates of the points where the gradient is zero on the curves with the given equations. Establish whether these points are local maximum points, local minimum points or points of inflection in each case.

a. y = 4x^{2} + 6x

b. y = 9 + x − x^{2}

c. y = x^{3} − x^{2} − x + 1

d. y = x (x^{2} − 4x − 3)

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**Related Book For**

## Edexcel AS And A Level Mathematics Pure Mathematics Year 1/AS

**ISBN:** 9781292183398

1st Edition

**Authors:** Greg Attwood