Question

Investigation

Let be an arbitrary point on the graph of f that , as shown in the figure. Verify each statement.

(a) The x-intercept of the tangent line is

(b) The y-intercept of the tangent line is

(c) The x-intercept of the normal line is

(The normal line at a point is perpendicular to the tangent line at the point.)

(d) The y-intercept of the normal line is

(e)

(f)

(g)

(h)