Question

I only need help with one part! Let f(x) = 8/(2pi-9x). Then the slope of the tangent line to the graph of y=f(x) at the point (pi, -8/7pi) is the limit as x tends to pi of the following expression _________.

Answer 1

slope of tangent line is: 72/(49*pi^2)

Answer 2

Points to whoever can help!