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alexandr1967 [171]
3 years ago
15

A construction company uses the function f(x), where x is the number of people working on a project, to model the amount of mone

y it spends to complete a project. What would a reasonable domain be?
All integers
Real numbers
Positive real integers
Positive integers
Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
8 0

Answer:

  • Positive integers

Step-by-step explanation:

The domain is the people and the range is the money spent

People would be counted as positive integers, only the last answer choice considers this.

<u>So the answer is:</u>

  • Positive integers
Neko [114]3 years ago
6 0

<em><u>Answer:</u></em>

<em><u>Please use "^" to denote exponentiation:  f(x) = x^2 + 3x + 5. </u></em>

<em><u> </u></em>

<em><u>Because this is a polynomial, the domain consists of the set of all real numbers. </u></em>

<em><u></u></em>

<em><u>Step-by-step explanation:</u></em>

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? Write 126 as a product of primes. Use index notation when giving your answer.​
Talja [164]

Answer:

2 x 7 x 3²

Step-by-step explanation:

When finding primes, you use the method I attatched as a picture. Start with the large number at the top, slowly dividing it by factors of it.

The picture shows that the primes 126 is a product of is:

2, 7, 3, 3

Or:

2 x 7 x 3 x 3

This can be simplified into:

2 x 7 x 3²

Hope this helps!

7 0
3 years ago
Read 2 more answers
The French club is sponsoring a bake sale to raise at least $350. How many pastries must they sell at $3.25 each in order to rea
Aleksandr [31]

Answer:

at least 108

Step-by-step explanation:

Because 350÷3.25=107.692308 and it is rounded to 108 so our answef is at least 108.

5 0
3 years ago
Hi! Can anyone please help me with is math problem?Please show the steps on how you got your answer. Thank you!
WINSTONCH [101]

Answer: Marianne would have to get a 79 on her final test.


Step-by-step explanation: In order to get the average, you have to add all of your numbers up and multiply by how many numbers you have (in your case, 3) and you will find your answer.

79+81+77=237  237 divided by 3 is 79. (  Sorry I used a calculator :(   )


4 0
3 years ago
Use the inverse of the function y = x2 − 18x to find the unknown values.
Lerok [7]

ANSWER

b=1, c=81, and d=9.

EXPLANATION

The given function is:

y={x}^{2}-18x

This function is the same as:

y={(x - 9)}^{2}-81

To find the inverse of this function, we interchange x and y.

x={(y-9)}^{2}-81

Solve for y:

x+81={(y- 9)}^{2}

Take square root of both sides:

\pm \sqrt{x + 81}=y-9

y=\pm \sqrt{x + 81}+9

Hence,

b=1, c=81, and d=9.

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3 years ago
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10^9
2*2*2*2*2*2*2*2*2*2*5*5*5*5*5*5*5*5*5*5
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