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ACCUPLACER
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Create and Interpret Radical Models
Grade Level
ACCUPLACER
AAF.098 Create and Interpret Radical Models
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A pump model gives flow speed v from pressure p by p=4v
2
-9 with p>=-9. Which radical function models the nonnegative speed?
A
v(p)=sqrt((p-9)/4)
B
v(p)=(p+9)/4
C
v(p)=sqrt(4p+9)
D
v(p)=sqrt((p+9)/4)
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