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help? derivatives

0 votes

asked Apr 28, 2015 in CALCULUS by anonymous

2 Answers

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(6)

Find image at image.

Observe the graph of the function .

Draw a tangent line to the curve at image.

Slope of the tangent line is the derivative of the function at a particular point.

image

Slope of a tangent line with points and image : .

The points on the tangent line are image and image.

Slope of the tangent line : image.

Therefore image.

Solution :

image.

answered Apr 29, 2015 by Lucy Mentor
edited Apr 29, 2015 by Lucy
0 votes

(7)

Find image at image.

Observe the graph of the function .

Draw a tangent line to the curve at image.

Slope of the tangent line is the derivative of the function at a particular point.

image

Slope of a tangent line with points and image : .

The points on the tangent line are image and image.

Slope of the tangent line : image.

Therefore image.

Solution :

image.

answered Apr 29, 2015 by Lucy Mentor

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