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OpenStudy (anonymous):
Use the cubic model y=5a^3-2a^+a-45 to find the value of y when x=4
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OpenStudy (anonymous):
y = 5(4)^3 - 2(4)^2 + 4 - 45 = 320 - 32 - 41 Do that expression and you should get your answer
OpenStudy (anonymous):
is it 247?
OpenStudy (anonymous):
Simply substitute (plug in) 4 for x in the expression and evaluate it to find y
OpenStudy (anonymous):
@DribleDaVaca19 Correct!
OpenStudy (anonymous):
oh okay i get it now thank you!
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OpenStudy (anonymous):
No problem!
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