xojade
xojade
16.10.2021 • 
Mathematics

Please help- Let f(x) = 13 − |2x + 1|. Find all x for which f(x) ≤ 14.
A) [0, ∞)
B) (1, ∞)
C) (−∞, 0]
D) (−∞, ∞)

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