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Let g(2x + 5) = 4x^2 - 3x + 2. Find g(-8).

 Apr 24, 2022
 #1
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We need to have   

 

2x + 5  =   -8

2x =  -8 - 5

2x =  -13

x = -13/2

 

So

 

g(-8)  =   4(-13/2)^2  -3(-13/2)  + 2   =  169 + 39 + 2    =  210

 

cool cool cool

 Apr 24, 2022

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