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OpenStudy (1645323):
The stock of a beverage company over past x months can modeled by the polynomial S(x) = -0.32x3 + 5x - 250. How many months did stock equal 0? Select one: a. 1 b. 2 c. 3 d. 0
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OpenStudy (1645323):
@DDCamp
OpenStudy (ddcamp):
The question is asking how many zeroes this function has. Since this is a cubic function (The highest exponent is three) How many zeroes does it have?
OpenStudy (1645323):
3
OpenStudy (1645323):
@DDCamp
OpenStudy (ddcamp):
Yes, 3
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OpenStudy (1645323):
1, igraphed it
OpenStudy (1645323):
@DDCamp
OpenStudy (ddcamp):
Hmm, it must have imaginary roots then. Your math book probably has some way to check how many real roots there will be.
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