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SAT® Subject Test in Math 1 & 2

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Moderate

Finding the Input of a Function

SATSTM-QCMVYY

If $f(x)=-x^{2}+5x-5$, then find $x$ when $f(x)=1$

A

$x=2$

B

$x=2, 3$

C

$x=-1$

D

$x=1$

E

$x=-1, 2$