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2 years ago

For the function {(2, 4), (3, 5), (4, 6), (5, 7)}, what is the domain?

Mathematics

1 answer:

sammy [17]2 years ago

6 0

Answer: Domain:

{

}

Step-by-step explanation:

The domain is the set of all the values of

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Answer:

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Step-by-step explanation:

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Addison worked 11 more hours this week than last week. In total, she worked 65 hours this week and last week. Using the equation

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Step-by-step explanation:

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Answer:

Solve the equation for y by finding a, b, and c

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1 year ago

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The function C(x)=−20x+1681 represents the cost to produce x items. What is the least number of items that can be produced so th

Reptile [31]

Answer:

<em>The least number of items to produce is 41</em>

Step-by-step explanation:

<u>Average Cost</u>

Given C(x) as the cost function to produce x items. The average cost is:

$\displaystyle \bar C(X)=\frac{C(x)}{x}$

The cost function is:

$C(x) = -20x+1681$

And the average cost function is:

$\displaystyle \bar C(X)=\frac{-20x+1681}{x}$

We are required to find the least number of items that can be produced so the average cost is less or equal to $21.

We set the inequality:

$\displaystyle \frac{-20x+1681}{x}\le 21$

Multiplying by x:

$-20x+1681 \le 21x$

Note we multiplied by x and did not flip the inequality sign because its value cannot be negative.

Adding 20x:

$1681 \le 21x+20x$

$1681 \le 41x$

Swapping sides and changing the sign:

$41x \ge 1681$

Dividing by 41:

$x\ge 41$

The least number of items to produce is 41

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2 years ago