1. Find all the points on the graph of f (x) =x + 2x -4x +5 where the tangent line is parallel to 2) + 8x = 5 a. x:= - 2/3, 2 b. x:= 0, - 4/3 c. X:=2/3 + 2v2/31 d. x:=2/3 = 2v7/3 e. None d' y = 0 2. Solve dx' if y = 6x" + 24x' -540x3 + 7 a. x:= -5,3 b. x: = 0, -1 C. x:= 5, -2 d. x:= -3, 6 e. None dy 3. Find * (0, am if cosy=xy' a. -xx'/8 b. It /8 C. - 1 - /4 d. 1 /4 e. None4. The equation of the tangent line )' = e" in (0, 1) es: a. *+y-l b, Xty=-1 c. X-y=1 d. *- y- -l e. None