Let f(x) = x – 1/x, find f ’ (-1).
a.
b.
c.
d.
0
1
2
-2
𝜋
Find the equation of the tanget line to the curve y = 2x sinx at the point ( 2 , 𝜋)
a.
b.
c.
d.
Y = 2x + 2𝜋
Y = 2x
Y = - 2x + 2𝜋
Y = - 2x