Concavity and the Second Derivative Test
10 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest — every one with a full worked solution. Work through them free, no account needed.
Sample: the first question, solved
Find the second derivative of f(x)=x²+6x−1.
📘 Worked solution
✓f'(x)=2x+6, so f''(x) = 2.
And one from the hard end
Find the second derivative of f(x)=x²−4x+3.
Solution shown after you try it in practice mode.
Work through all 10, easiest to hardest
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