isay21
isay21
11-10-2020
Mathematics
contestada
k(a)= |a|-2, find k(-9)
Respuesta :
Аноним
Аноним
11-10-2020
Answer:
7
Step-by-step explanation:
k(a) = |a| -2
=> k(-9) = |-9| - 2 = 9 - 2 =7
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