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CaHeK987 [17]
3 years ago
12

F(x)=2x/3x^2-3 what is the domain of the function?

Mathematics
1 answer:
konstantin123 [22]3 years ago
5 0

Answer:

Step-by-step explanation:

f(x) = \frac{2x}{3x^2 - 3} \\\\ Domain: \\ 3x^2 - 3 ≠ 0 \\ 3x^2 ≠ 3 \\ x^2 ≠ 1 \\ x ≠ \pm 1

D = {x E R/ x ≠ 1 and x ≠ - 1}

I Hope I've helped you.

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(5+w)(w+4) in standard form
dlinn [17]

Answer:

  w² +9w +20

Step-by-step explanation:

Multiply it out, collect terms, and write as descending powers of w.

  (5+w)(w+4) = 5w +5·4 +w² +w·4

  = w² +9w +20

7 0
3 years ago
Each morning a gardener uses 25 gallons of water from a barrel. Each afternoon, she adds 15 gallons of water to the barrel. By h
mr_godi [17]

Given :

Each morning a gardener uses 25 gallons of water from a barrel.

Each afternoon, she adds 15 gallons of water to the barrel.

To Find :

By how much has the volume of water in the barrel changed after 5 days.

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Amount of of water used from the barrel per day is :

A = 25 - 15 gallons

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Now, volume of water in the barrel changed after 5 days is :

V = A × 5 gallons

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Therefore, volume of water in barrel is changed by 50 gallons.

3 0
2 years ago
A survey was done that asked students to indicate whether they enjoy reading or playing video games.
Xelga [282]
8:1 because it's just and 8 to a 1
5 0
3 years ago
You build a fence around garden that measures 10 x 15 feet; how many feet of chain link fence will you need?
Neporo4naja [7]

Answer:

50 feet

Step-by-step explanation:

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30 + 20

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6 0
3 years ago
Read 2 more answers
Mr. Alvarez has 36 kids in his 7th period class The ratio of boys to girls is 5:7. How many boys are there? How many girls are t
Eddi Din [679]

Answer: 15 boys

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4 0
3 years ago
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