Step-by-step explanation:
derivative:zero becouse ever number has daritive is zero
6:
Answer:
an=7n-19
(the last one)
5x+3
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a- b-4 because you switch the places when it says fewer than, or less than
b-12f
c-s+8
Answer:8.6
7/8 = f
1/4 = a
5/8 = d
3/4 = e
1/8 = a
