Question 4 of 10 Multiple Choice: Please select the best answer and click "submit." Let f(x) = -2x + 1 and x1 and x2 be any constants in  that satisfy...

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Question 4 of 10

Multiple Choice: Please select the best answer and click "submit."

Let f(x) = -2x + 1 and x1 and x2 be any constants in  that satisfy the condition x1 < x2. What do you need to show to prove f is decreasing on ?

 A.f(x1) > f(x2)
 B.f(2) > f(4)
 C.f(2) < f(4)
 D.f(x1) < f(x2)
 E.f is actually increasing
    • 9 years ago
    • 999999.99
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