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Setler [38]
3 years ago
11

How I can get the answer could you please tell me ?

Mathematics
1 answer:
valentina_108 [34]3 years ago
6 0
Look it up after opening up a new tab

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Consider the function f(x)=3x-1 (over)x+4 (a) At which value of x will the function not have a solution? Explain your answer. (b
Irina18 [472]

Ans(a):

Given function is f(x)=\frac{3x-1}{x+4}

we know that any rational function is not defined when denominator is 0 so that means denominator x+4 can't be 0

so let's solve

x+4≠0 for x

x≠0-4

x≠-4

Hence at x=4, function can't have solution.


Ans(b):

We know that vertical shift occurs when we add something on the right side of function so vertical shift by 4 units means add 4 to f(x)

so we get:

g(x)=f(x)+4

g(x)=\frac{3x-1}{x+4}+4

We may simplify this equation but that is not compulsory.

Comparision:  

Graph of g(x) will be just 4 unit upward than graph of f(x).


Ans(e):

To find value of x when g(x)=8, just plug g(x)=8 in previous equation

8=\frac{3x-1}{x+4}+4


8-4=\frac{3x-1}{x+4}


4=\frac{3x-1}{x+4}


4(x+4)=(3x-1)


4x+16=3x-1


4x-3x=-1-16

x=-17

Hence final answer is x=-17

8 0
3 years ago
(x-25) (x-5) square root
Fittoniya [83]

x^2-30x+125 square root


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3 years ago
The French club is holding a car wash fundraiser. They are going to charge $20 per car , and expect between 30 and 100 cars. Ide
liberstina [14]
Independent variable = number of cars with domain 30 to 100 cars
Dependent variable = money raised with range $600 to $2000
7 0
3 years ago
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Tim took a random survey of 20 sixth graders and 20 eighth graders. He asked how many hours a week each played sports. His data
34kurt

Answer: 4 hours

Step-by-step explanation:

The median number is always in the middle the other numbers have to be equal on both sides 5 is the middle number on the plot 6th graders have 4 dots and 8th graders have 0 dots which means the hourly difference is 4

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3 years ago
Between what two integers does -√75 lie? To which is the value of -√75closer?
katovenus [111]
-8 and -9 because it is negative
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3 years ago
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