802
Answer Key
69 . f ( x ) =3 x 2 +2, a =2 71 . f ( x ) = x 4 , a =2 73 . f ( x ) = e x , a =0 75 . a.
3−3
3 h h
b. lim
h ≠ lim
h →1 −
h →1 +
77 . a.
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