Question 1
Find the points on the curve y = x
4 - 6x
2 + 4 where the tangent line is horizontal.
◦ (

, -5) and (-

, -5)
◦ (

, 5) and (-

, 5)
◦ (0, 4), (-

, 5), and (

, -5)
◦ (0, 4), (

, -5), and (-

, -5)
◦ (0, 4), (

, -5), and (-

, -5)
Question 2
Given g(x) =

which of the following statements is true?
◦ g is continuous from the left at x = -1
◦ g is differentiable at x = -1
◦ g'(-1) = -4
◦ g is continuous at x = -1
◦ g is not differentiable at x = -1