# Tangent lines at a point

a)Find the slope of the tangent line to the function y=1/sqrt(2x-1) at the point a, using the definition of a derivative.

b) At which point does the tangent to the function have a slope of -1

c) Find an equation of the tangent line at the point in (b)

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#### Solution Preview

a) Find the slope of the tangent line to the function at the point a, using the definition of a derivative.

From the definition of the derivative, we find the slope of the ...

#### Solution Summary

The expert finds a slope of a tangent line to a function.

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