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2 answers:
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Answer:
D.
Step-by-step explanation:
Consider the set
This set consists of four ordered pairs.
The first numbers in these pairs are These numbers are integer numbers (not natural, because -3 is negative).
The second numbers in these pairs are These numbers are integer numbers too (not natural, because -2 is negative).
Options contain only natural and real sets, so, the first and the second numbers are real numbers and
Answer:
Pete's:
Carla's:
Step-by-step explanation:
Let's assume that is the amount of rooms painted, and
For Pete's Painting Company, they charge a flat fee of $60, so we will have a constant of 60.
They also charge 20$ per room, meaning that we will multiply 20 by , the amount of rooms painted.
This gets us the function
For Carla's Creative Colors, they charge 20$ to hire the workers, meaning this will be our constant.
They also charge $40 a room, meaning we will multiply 40 by , the amount of rooms painted.
So the function is .
Hope this helped!