Which of the following expresses the possible number of positive real solutions for the polynomial equation shown below 5x^3 + x
^2 +7x - 28 = 0
A. Two
B. Three or one
C. One
D. Two or zero
2 answers:
I think the answer is option c.one
there is only one sign change in the whole equation so possiblythe answe must be one. correct me if i am wrong
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Answer:
1: 11/4
2: 24/5
3: 2 4/5
4: 55/9
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6: 28
7: 4 1/17
8: 54
9: 39 1/2
10: 1 3/4
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Answer:
b
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