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Mars2501 [29]
3 years ago
8

Consider the function represented by the equation y minus 6 x minus 9 = 0. Which answer shows the equation written in function n

otation with x as the independent variable?
Mathematics
2 answers:
ryzh [129]3 years ago
7 0

Answer:

f(x) = 6x + 9

Step-by-step explanation:

The question is not complete because the are no option to pick from. This is the complete question.

Consider the function represented by the equation y minus 6 x minus 9 = 0. Which answer shows the equation written in function notation with x as the independent variable?

f of x = 6 x + 9

f of x = one-sixth x + three-halves

f of y = 6 y + 9

f of y = one-sixth y + three-halves

writing this in as a function

f(x)-6x-9=0

the question is asking us to write the function in such a way that x is the independent variable

f(x)=6x-9

here x is the dependent variable

to make x independent, we need to solve for x

-9=6x\\

divide both sides by 6 to make x independent

\frac{-9}{6} =x\\\\\\\x=\frac{-3}{2}

zloy xaker [14]3 years ago
5 0

Answer:

<em>f(x)=6x+9</em>

Step-by-step explanation:

Functions have independet variables(the value of the variable could be any number, we have no restrictions) and dependent variaariables(the values of this variables depends of idependent variables)

the problem says that <em>x</em> is the independent variable, so we say that <em>y</em> is a dependent variable. Dependent need to be replaced by funcion notation, in this case we use <em>y=f(x)</em>

So we raplace it in the equation and we have:

<em>f(x)-6x-9=0</em>

we solve for <em>f(x)</em> passing <em>-6x</em> and <em>-9</em> to the right side and changing the signs, and we get:

<em>f(x)=6x+9</em>

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Mozart's Music Store rents trombones for $34 a month. Bach's Music Store rents trombones for $30 per month plus a yearly fee of
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Answer:

Step-by-step explanation:

Let M(x) be the cost of renting from Mozart's Music Store for x years, and B(x) be the cost of renting from Bach's Music Store for x years.

From the problem statement, we can come up with the following equations:

M(x) = 34(12x)

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Plugging in x = 9 for each equation, we can get the answer:

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M(9) = 34(108)

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3 years ago
20=8+3(12+4x) Please help<br> It's really hard
nataly862011 [7]
So first, you have to remember the order of operations. That means that whatever is in the parentheses is what has to be done first
However, because one of the numbers in the parentheses is a variable and the other isn't, we can distribute instead
Therefore, 3(12+4x) distributes by multiplying the 3 into both numbers in the parentheses. So we get 36+12x
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