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3 years ago

F(x) =-2 |x + 1| how do I do this?

Mathematics

1 answer:

BaLLatris [955]3 years ago

8 0

Answer:1

Step-by-step explanation: f(x)=-2 |x+1|

plug in the f(x) which is -2 into x to solve.

|-2+1|= |-1|= 1, it turns into positive 1.

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2 years ago

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Alexxandr [17]

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3 years ago

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3 years ago

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3 years ago

Nolan is deciding between two truck rental companies. Company A charges an initialfee of $90 for the rental plus $2 per mile dri

kotegsom [21]

first we writte the information they are giving to us:

For company A:

initial fee = $90

rent per mile = $2

For combany B:

initial fee = $50

rent per mile = $3

Now for company A the equation that represent the charge in one mile will be: (where n is the number of miles)

$\begin{gathered} A=90+2(n) \\ A=90+2(1) \\ A=90 \end{gathered}$

And for company B:

$\begin{gathered} B=50+3n \\ B=50+3(1) \\ B=53 \end{gathered}$

Now to determine the number miles driven, that would make the cost of each company the same, we have to make A = B

$\begin{gathered} A=B \\ 90+2n=50+3n \\ \end{gathered}$

and finaly we can solve for n

$\begin{gathered} 90-50=3n-2n \\ 40=n \end{gathered}$

so if they drive for 40 miles the will pay the same

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1 year ago