1-1 Relations and Functions
1 answer:
Answer:
Option D
Step-by-step explanation:
A function is a relation where each domain is assigned to exactly one range value.
In the relation given, the value of '-2' is repeated and assigned with two range numbers.
Therefore, the relation is not a function because -2 is paired with two range values.
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Let the number of hour it took them to have completed the same number of problems be x, then
15 + 10x = 9 + 12x
12x - 10x = 15 - 9
2x = 6
x = 6/2 = 3
After 3 hours, they must have completed the same number of homeworks.
Answer:
28.26
Step-by-step explanation:
circumference= 2πr or πd (diameter)
9 x 3.14=28.26
So 2% is 2/100. That would be 0.02.
Answer:
Maggie is 5 years old
Step-by-step explanation:
3M-4+M=16
add 4 to both sides
4M=20
Divide both sides by 4
20/4 = 5
M/Maggie is 5
Answer:
x=3
Step-by-step explanation:
