Mathematics, 06.12.2020 02:40 daniellealex
The demand for cars is modeled by the function f(x)=βx2+2x+15 , where x represents the number of stores in a city that sell cars. A company wants to know when the demand is positive.
Is the interval (β3, 5) a reasonable solution to when the demand is positive?
No. The interval (β3, 5) is not a reasonable solution because the left endpoint is negative and there cannot be a negative number of stores.
Yes. The interval (β3, 5) is a reasonable solution because the function is positive in that region.
No. The interval (β3, 5) is not a reasonable solution because the function is negative in that region.
Yes. The interval (β3, 5) is a reasonable solution because the endpoints of the interval are roots of the function.
Answers: 2
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The demand for cars is modeled by the function f(x)=βx2+2x+15 , where x represents the number of sto...
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