Answer:
The correct answer is A.
Step-by-step explanation:
The rule with a function is every input has exactly one output. In the answer choices b, c, and d all of them has a repeating input or x value.
Step-by-step explanation:

Answer:
Step-by-step explanation:
Yes, it is. To find this out, you need to make the denominators the same. They can both multiply into 15, so we change the denominators to 15. Whatever we do to the bottom, we also have to do to the top.
2/3 = 10/15
1/5 = 3/15
We can then see that 10 is more than 3 :)
Answer:
The constant rate is 4
Step-by-step explanation:
40 ÷ 10 = 4
80 ÷ 20 = 4
120 ÷ 30 = 4
160 ÷ 40 = 4
They all equal 4 so that is the constant rate.
Brainliest???