Let f(x) = x^2 - 5 x .

(A) Find the slope of the secant line joining(-5, f(-5)) and (-3, f(-3)) .

(A) Find the slope of the secant line joining

Slope of secant line =

(B) Find the slope of the secant line joining

Slope of secant line =

(C) Find the slope of the tangent line at

Slope of tangent line =

(D) Find the equation of the tangent line at

You can earn partial credit on this problem.