Question

1) For which interval(s) is f(x) positive?

f(x) = −3(x+5)^2 (x−1)^16 (x−15)^23

A. (−∞,−5)
B. (−∞,−5)
C. (15,∞)
D. (−∞,−5)

2) For which interval(s) is f(x) positive?

f(x) = 4(x+30) (x−51) (x−97)

A. (−30,51)
B. (−∞,−30)
C. (−∞,∞)
D. None of the above

Answer 1

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