Question 1
Let f(x) = (x - 2)(x
2 + 4x - 7). Find all the points on this curve where the tangent line is horizontal.
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and

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and

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and

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and

Question 2
Where does the function f(x) =

fail to be differentiable?
◦ at x = 1
◦ at x = 0 and x = 1
◦ at x = 0
◦ f(x) is differentiable everywhere.
◦ none of the above