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Let

p(x) = x - 2y

What is p(p(1,-1),p(-5,-2))?

 Feb 16, 2021
 #1
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(p(1,-1) = 1 - 2(-1) = 3

 

p(-5,-2) =   -5 - 2(-2) = -1

 

p (3,-1) =  3 - 2(-1) = 5

 Feb 16, 2021

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