Which of the following represents the set of possible rational roots for the polynomial shown below?
2x³+5x²-8x-10=0
a. {±2/5, ±1/2, ±1, ±2, ±2/5, ±1/5, ±1/10}
b. {±1/2, ±1, ±2, ±5/2, ±5, ±10}
c. {±1, ±2, ±4, ±5, ±10, ±20}
d. {1/2, 1, 2, 5/2, 4, 5, 10, 20}

The rational roots are involved by dividing the factors of the constant term by the factors of the coefficient of the monomial of highest degree. Thus, the only possible set of rational roots is given by B.

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The answer would be 13.5 minutes.

20000 as first it increases by 2500 then by 5000 so next it will increase by 10000