Find the slope of the function's graph at the given point. Then find an equation for the line tangent to the graph there. fx=xx -8. (5.17) What is the slope of the function's graph at the given point? m= (Simplify your answer.)Bx Find the slope of the graph of the function g(x) = at (- 1, -3). Then find an equation for the line tangent to the graph at that point. x+3 6x The slope of the graph of the function g(x() = at (- 1, - 3) is x+3 (Type an integer or a simplified fraction.)