AM-1703

Stationary points

A Math · Secondary 4 · Easy · Stationary points

The function is

f(x) = x^3 - 6x^2 + 9x

.
Find the

x

-coordinate of the stationary point of the curve

y = f(x)

.

$x = 1\text{ or }3$
$x = -1\text{ or }-3$
$x = 2$ only
No stationary point

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