Is this relation a function? Justify your answer. 11
10
9
8
7
6
5
4
3
2.
.
1
1 2 3 4 5 6 7 8 9 10 11
A. Yes, because every x-value corresponds with a single y-value.
B. Yes, because every - and y-value is positive.
C. Yes, because the number of x-values is the same as the number of
y values.
D. No, because two points with the same y-value have different x-
values

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

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step-by-step explanation: