SOLUTION: Suppose f(x)=(x−2)(x+9). (a) For which values of x is the function f(x) positive? Enter your answer using inequalities. (b) For which values of x is the function f(x)

Question 901150: Suppose f(x)=(x−2)(x+9).
(a) For which values of x is the function f(x) positive? Enter your answer using inequalities.
(b) For which values of x is the function f(x) negative? Enter your answer using inequalities.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Suppose f(x)=(x−2)(x+9).
(a) For which values of x is the function f(x) positive? Enter your answer using inequalities.
(x-2)(x+9)>0
number line:
<..+..-9..-..2..+..>
solution: (-∞,-9) U (2,∞)
..
(b) For which values of x is the function f(x) negative? Enter your answer using inequalities.
(x-2)(x+9)<0
number line:
<..+..-9..-..2..+..>
solution: (-9,2)
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SOLUTION: Suppose f(x)=(x&#8722;2)(x+9). (a) For which values of x is the function f(x) positive? Enter your answer using inequalities. (b) For which values of x is the function f(x)

SOLUTION: Suppose f(x)=(x−2)(x+9). (a) For which values of x is the function f(x) positive? Enter your answer using inequalities. (b) For which values of x is the function f(x)