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I need help with this question any one can do it its calculus?

0 votes
f(x)= x^2-7x+2
a) find the exact value of f'(x) using the limit definition
b) find f' (-3)
c) find the equation of the tangent line to the graph of f at x= -3
d) find the equation of the normal line at x=-3
asked Jul 23, 2014 in CALCULUS by anonymous

2 Answers

0 votes

a) The function image

Find the derivative of above function  by using limit definition

image

image

image

image

       image

      image

     image

     image

    image

    image

    image

image.

b) The derivative of the function is  image

image

image

image

answered Jul 23, 2014 by david Expert
0 votes

The curve image

image

image

image

image

image

image

c) Find the tangent line to the graph of f at x= -3

  • The equation of a tangent line to the graph of f at image is

image

image

image

image

Tangent line is image

d) Find the normal line to the graph of f at x =  -3

  • The equation of a normal line to the graph of f at image is

image

image

image

image

image

image

Normal line is image.

answered Jul 23, 2014 by david Expert

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