Question

Consider the function and the value of a. f(x) = -5/x-1, a=7 (a) Use mtan =...

Consider the function and the value of a.

f(x) = -5/x-1, a=7


(a) Use mtan = lim h→0 ,

f(a + h) − f(a)

h

to find the slope of the tangent line mtan = f '(a).

mtan =

(b) Find the equation of the tangent line to f at x = a.

(Let x be the independent variable and y be the dependent variable.)

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