Answer:

Step-by-step explanation:
we have
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Find out the domain
we know that
The radicand must be greater than or equal to zero
so

The domain is the interval -----> [0,∞)
All real numbers greater than or equal to zero
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Answer:
0.1x+0.04y=4,000
x+y=352
Step-by-step explanation:
The correct answer is number one
Answer:
Sarah is paid $20 an hour at her new job. She wishes to graph her total pay y, as a function of the number of hours, x. She wants to be sure her graph shows her pay for 10 and 20 hours of work.
a. What is a good scale to use for the x-axis? Explain your reasoning.
b. What is a good interval to use for the y-axis? Explain your r
Step-by-step explanation: