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AP® Calculus AB-BC

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Increasing Interval(s)

APCALC-R9UILZ

On what interval is the function:

$$f( x ) ={ 2x }^{ 2 }-6x+7$$

...increasing?

A

$\left( -\infty , \cfrac{3}{2} \right] $

B

$\left[ \cfrac{3}{2}, \infty \right) $

C

$[ 3, \infty ) $

D

$( -\infty , 2 ] $