SOLUTION: For f(x) = (2x + 3)^2 , find intervals on which f is increasing and decreasing then, find open intervals on which f is concave up and concave down as well as x-coordinates of all i

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Question 1148832: For f(x) = (2x + 3)^2 , find intervals on which f is increasing and decreasing then, find open intervals on which f is concave up and concave down as well as x-coordinates of all inflection point.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = (2x+3)^2, minimum is 0, at x = -3/2

increasing from [-3/2, infinity)
decreasing from (-infinity, -3/2]