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Further applications of differentiation — Question 112

Original QCE Vault practice · 1 mark

Q112 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 112

If f′′(x)=12x2−12f''(x)=12x^2-12, the possible points of inflection occur at
(A)
x=0x=0
(B)
x=1x=1 only
(C)
x=−1, 1x=-1,\ 1
(D)
x=−12, 12x=-\sqrt{12},\ \sqrt{12}
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