SOLUTION: let f(x)=|x|+2x. find f(-2) thank you

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Question 118327: let f(x)=|x|+2x. find f(-2)

thank you

Found 2 solutions by stanbon, jim_thompson5910:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
let f(x)=|x|+2x. find f(-2)
f(-2) = |-2|+2*-2
f(-2) = 2-4 = -2
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Cheers,
Stan H.

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given function


Plug in


Take the absolute value of -2 to get 2


Multiply 2 and -2 to get -4


Subtract

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