Barrons AP Calculus

(D) .   See the figure  below.

(D) Note    that    .

(B) Note    that    (0, 0)  is  on  the graph,  as  are (1, 2)  and (−1,    −2).    So  only    (B)

and (D) are possible.   Since    ,  only    (B) is  correct.

(D) See the figure.