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OpenStudy (anonymous):
If f(x) = 2x - 9, then f(3) = -3. True False
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OpenStudy (anonymous):
true because if you substituste the number 3 in for x, it would equal 3
OpenStudy (anonymous):
\[f(3)=-3\]
OpenStudy (anonymous):
\[2(3)-9=-3\]
OpenStudy (anonymous):
\[6-9=-3\]
OpenStudy (anonymous):
\[-3=-3\]
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OpenStudy (anonymous):
yep it is true
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