Diane serves breakfast to two groups of children at a daycare center. One box of oaties contains 12 cups of cereal.She needs 1/3
1 answer:
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Answer: y=0,5x²-x-1,5.
Step-by-step explanation:
We summarize (1) and (3):
Substitute b=-1 into (2):
From (5) subtract (4):
Substitute a=0,5 into (4):
Hense:
y=0,5x²-x-1,5.