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jaaiphieaslade
04.11.2020 •
Mathematics
Which relation is not a function?
A (7, 3), (7, 6), (7, 9), (7, 12),(7, 15)
B (−4, 6), (0, 6), (7, 6), (4, 6),(−7, 6)
C (4, 1), (8, 2), (12, 3), (16, 4),(20, 4)
D (1, 3), (3, 5), (5, 7), (7, 9), (9, 1)
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Ответ:
The Answer is A.
Repeating number is not a function. It's ok to have repeating number in Y or the range but not the X which is the Domain.
Ответ:
y= .75x + 3.75
Step-by-step explanation:
1. Distribute x:
Original Equation= y-2.25=.75(x-8)
So you just do .75 times x and .75 times -8= .75x - 6
2. Isolate the y Variable:
Add 2.25 to both sides. So -6 + 2.25= 3.75
Now you have left y= .75x + 3.75