Interactive practice questions
Which of the following describes a maximum turning point?
A point where the tangent crosses the curve and the concavity changes from upwards to downwards or from downwards to upwards around the point.
A
A point where the tangent is horizontal and the concavity changes from upwards to downwards or from downwards to upwards around the point.
B
A point where the curve changes from decreasing to increasing.
C
A point where the curve changes from increasing to decreasing.
D
Easy
< 1min
Which of the following describes a minimum turning point?
Easy
< 1min
Which of the following describes a horizontal point of inflection?
Easy
< 1min
Consider the function $f\left(x\right)=9x^2+18x-16$f(x)=9x2+18x−16.
Easy
8min
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