A. Below is the graph ofthe functions y. = h(x) and y; = mx + b . y; is the straight line that is tangent to y, at the point (1,0) . Which of the following statements must be true? a) h' (1) = 1 b) m1) = 0 c) h'(1) = m d) h'(1) = b e) None of the above statements is true. 5 0003; e) The graph does not have those properties at any of the 4 labeled points