SOLUTION: alyssa has determined that the function r(x)=3x(cubed)-2x(squared)+x+25 is good predictor of her income tax refund, where X is the number of years since 2000. use synthetic substit

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Question 198225: alyssa has determined that the function r(x)=3x(cubed)-2x(squared)+x+25 is good predictor of her income tax refund, where X is the number of years since 2000. use synthetic substitution to estimate alyssa's 2007 tax refund.
Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!
r(x)= is good predictor of her income tax refund,
where X is the number of years since 2000.
use synthetic substitution to estimate alyssa's 2007 tax refund.
Not sure what synthetic substitution is; but using substitution:
:
x = 7
:
r(x)=
:
r(x)=
:
r(x)= 1029 - 98 + 32
:
r(x) = $963

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