Bryan's answer to Tricia Chew's Secondary 4 A Maths Singapore question.
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A corresponds to (c)
B corresponds to (a)
C corresponds to (b)
The fastest way to solve this is to recognise that a turning point/point of inflexion on a y-x graph will translate to a x intercept on the dydx graph. Just by using this, the answer can be obtained.
B corresponds to (a)
C corresponds to (b)
The fastest way to solve this is to recognise that a turning point/point of inflexion on a y-x graph will translate to a x intercept on the dydx graph. Just by using this, the answer can be obtained.
Date Posted:
3 years ago
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