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Brilliant_brown [7]
3 years ago
11

PLEASE PLEASE HELP!!!!! 1. What is the domain of the function shown below?

Mathematics
1 answer:
konstantin123 [22]3 years ago
4 0
<h3>Answer: Choice A</h3>

-8 \le x < 3 \text{ and } 4 \le x < 8

=======================================================

Explanation:

Place your pencil on the curve. Then draw a straight vertical line either up or down until you reach the x axis. If you were to start at the left endpoint, and work your way to the right, you'll eventually shade the interval -8 \le x < 3 \text{ and } 4 \le x < 8 along the x axis.

We have two separate intervals being shaded in. There's a small gap from 3 to 4 that isn't shaded in.

Refer to the diagram below.

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Answer:

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Step-by-step explanation:

We are given the following information in the question:

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Let x be the number of hours Inna work and let y be the number of hours Jim work.

Total cost = 15x + 18y

We have to minimize this cost.

Then, we can write the following inequalities:

6x + 8y \geq 208\\x \geq 8\\y \geq 8\\

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C(24,8) = 504$

Hence, the minimum cost would be 480$ when Inna works for 8 hours and Jim works for 20 hours.

The attached image shows the graph.

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