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Elodia [21]
3 years ago
12

You are having a conference call with the CEO of a paper company. You have interpreted the number of trees cut down versus profi

t as the function P(x)=-x^4+x^3+7x^2-x-6. Describe to the CEO what the graph looks like. Use complete sentences & focus on the end behaviors of the graph and where the company will break even (where P(x) = 0).
Mathematics
1 answer:
RideAnS [48]3 years ago
3 0
The graph has domain x ∈ ( 0 , +∞ )
It is first increasing and then decreasing. It has a local minimum and a global maximum.
- x^4 + x³ + 7 x² - x - 6 = ( x - 1 ) ( x + 1 ) ( x + 2 ) ( 3 - x )
The company will break even when P ( x ) = 0
The zeroes are:  x 1 = 1,  x 2 = 3
The company has a profit when:  x  ∈ ( 1, 3 )
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Find the area of the semicircle. diameter = 12
dimaraw [331]

Answer:

\huge\boxed{\sf Area\ of \ Semicircle = 56.55 \ units^2}

Step-by-step explanation:

Diameter = 12

Radius = 12/2 = 6

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\sf Area\ of \ Semicircle = 56.55 \ units^2

7 0
3 years ago
Read 2 more answers
James has $10 less than three times the amount Amy has. Which expression represents James' amount if Amy has d dollars?
nignag [31]

Answer: 30

Step-by-step explanation:

10 x 3 = 30

It might be wrong but I wanted to try it so don’t you my answer.

4 0
2 years ago
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Simplify and solve for the unknown. Use order of operations as needed.<br>8×2+5^2-y=2(y+1)+6 ​
Ket [755]

Answer:

y = 11

Step-by-step explanation:

8 × 2 + 5²- y = 2(y + 1) + 6 ​

8 × 2 + 5²- y = 2y + 2 + 6 ​

8 × 2 + 25 - y = 2y + 2 + 6 ​

16 + 25 - y = 2y + 2 + 6

41 - y = 2y + 8

41 (- y + y) = (2y + y) + 8

41 = 3y + 8

41 - 8 = 3y (+ 8 - 8)

33 = 3y

33/3 = 3y/3

y = 11

3 0
2 years ago
Help help help help help help
Semenov [28]

Okay okay okay

Answer:

r = \frac{30}{71}

Step-by-step explanation:

12 - \frac{r}{6} = 5

6 × 12 × r × 6 - \frac{r}{6} = 5 × 6

72r - r = 30

71r = 30

r = 30 ÷ 71

r = \frac{30}{71}

8 0
3 years ago
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What value of x makes this equation true?<br> 0.5x – 8= 0.2x + 7
postnew [5]
The value of x that will make this equation true is 50.

0.5 times 50=25 -8 = 17

0.2 times 50= 10 +7 = 17

Therefore, your answer is 50.
3 0
3 years ago
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