AM-1937

Stationary points

A Math · Secondary 4 · Easy · Stationary points

The function

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

. Find the

x

-coordinate of the stationary point of the curve

y=f(x)

.

$x=1\text{ or }x=3$
$x=2$ only
$x=1$ only
$x=3$ only

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