Answer:
Step-by-step explanation:
because rational number is a number that can be expressed as a ratio of two integers
Domain is all the x's
and range is all the y's
so domain is {1, 2, 3, 4}
and range is {2, 7, 12, 17}
An inequality can be formed by simply translating the problem statement to numerical expressions.
From the problem we know that

added with

hours should be equal or greater than

(helpful insight from the keyword "at least"). Therefore, it's inequality would look like:

(>= is used instead of ≥ for constraints in formatting)
The inequality above best models the situation.
Answer:
the answer is 1/(5+15sqrt)
Step-by-step explanation:
just multiply 3qrst with 5