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
Consider the function $f\left(x\right)=-2\left(x+2\right)^2+4$f(x)=−2(x+2)2+4 drawn below.
Easy
2min
Consider the function $f\left(x\right)=-\left(x-4\right)^3+7$f(x)=−(x−4)3+7 drawn below.
Easy
1min
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