Repeat Exercise 121, supposing that the graph starts at (-1, 0) instead of (-1, 2). 121...

Repeat Exercise 121, supposing that the graph starts at (-1, 0) instead of (-1, 2).

121. Use the following information to graph the function y = f(x) for

i) The graph of ƒ is made of line segments joined end to end.

ii) The graph starts at the point (-1, 2).

iii) The derivative of ƒ, where defined, agrees with the step function shown here.