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SVEN [57.7K]
2 years ago
12

(Look at screenshot)

Mathematics
1 answer:
True [87]2 years ago
8 0

#1

Clear shown in graph

  • H(0)=5

#2

No

At. no where graph passes through origin so y intercept is not 0 at anywhere

#3

Domain is x values

  • Domain =[0,oo)

#4

Range is y values set

  • Range=[5,50]
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Help on 3. And 4. Thank you!
chubhunter [2.5K]

Answer:

#3.) The initial value of  16 gal at  x = 5 minutes means that 16 gallons of water was present 5 minutes after the barrel started leaking.

#4.) Find how many minutes until the barrel is empty of water.

Let y = 0,  to solve for time x.

0 = (-2/5)*x + 18

(2/5)*x = 18

x = (5/2)* 18 = 5*9 = 45 minutes

Up to and after 45 minutes, the barrel is empty of water.

Step-by-step explanation:

#2.)  

minutes:      5, 10, 15, 20

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Find slope:    slope m = (14 - 16)/(10 - 5) = -2/5

y - 10 = (-2/5)*(x - 20)

y - 10 = (-2/5)* x  + 8

y = (-2/5)*x + 18

rate of change slope means that for every minute  2/5 gallons of water is lost

#3.) The initial value of  16 gal at  x = 5 minutes means that 16 gallons of water was present 5 minutes after the barrel started leaking.

#4.) Find how many minutes until the barrel is empty of water.

Let y = 0,  to solve for time x.

0 = (-2/5)*x + 18

(2/5)*x = 18

x = (5/2)* 18 = 5*9 = 45 minutes

4 0
3 years ago
If a = -2, b = -6, c = -4, and d = -3, evaluate the following expressions.
abruzzese [7]
It’s Has to be B because if you had the negative numbers you get -12
6 0
3 years ago
<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D%20%2B2x%3D-1" id="TexFormula1" title="x^{2} +2x=-1" alt="x^{2} +2x=-1" align="absm
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Step-by-step explanation:

x²+2x+1

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(x+1)(x+1)

x=-1. , x=-1

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28x=168

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Answer:

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Step-by-step explanation:

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