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OpenStudy (anonymous):
Use the quadradtic model y=-4x^2-3x+4 to predict y if x equals 5.
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OpenStudy (mathteacher1729):
This means "Substitute x = 5" and see what number you get. :)
OpenStudy (anonymous):
ok thanks
OpenStudy (anonymous):
i got -111
OpenStudy (whpalmer4):
yep!
OpenStudy (mathteacher1729):
You got it! :)
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