yvictoria16 yvictoria16

04-07-2018
Mathematics

contestada

I don't know how to do this :(

I dont know how to do this class=

Respuesta :

Аноним Аноним

04-07-2018

use the points and plug em into the form

16 = ab^(-3)
a = 16*b^3

4 = ab^(-1)
4 = 16*b^(3)*b^(-1)
b^2=1/4 b =(1/4)^(1/2)
b=0.5

check the answer choices and you see that only the third one has b = 0.5

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