I need help on the highlighted!Whats an interval and what are the zeros,of the f

Algebra
Tutor: None Selected Time limit: 1 Day

Oct 3rd, 2015

8. The function is positive on (-3,-1) ᴜ (2, infinity)

9. The function is negative on (-infinity, -3) ᴜ (-1, 2)

10. Zeros: -3, -1, 2

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Sep 15th, 2015

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Oct 3rd, 2015
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Oct 3rd, 2015
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