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OpenStudy (anonymous):
If f(x) = 2x2 − 30, find f(4).
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OpenStudy (saifoo.khan):
\[ f(x) = 2x^2 − 30 \] f(4) = 2(4)^2 − 30 \[ f(4) = 32 − 30 \] f(4) = 2
OpenStudy (anonymous):
thanks again
OpenStudy (anonymous):
saifoo.khan wat happen i thought you were goin to help me
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