What is the resulting ordered pair if the value of the independent variable is –3?
http://media.education2020.com/evresources/2003-08-02-00-00_files/i0300000.jpg
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OpenStudy (sonyalee77):
@superdavesuper
OpenStudy (superdavesuper):
independent variable in the case is f(x) so f(x)=-3....now u need to solve for x...
OpenStudy (sonyalee77):
17,-3?
OpenStudy (superdavesuper):
Nope...putting -3 into the eqn -2x^3-4x^2-1=-3 ok?
OpenStudy (sonyalee77):
ummm.....ill try
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OpenStudy (superdavesuper):
Re-arrange so the terms w x are all on the left n the constants are on the right....then group them...
OpenStudy (sonyalee77):
-3,17?
OpenStudy (superdavesuper):
plz dont try to solve it....take 1 step at a time ok? :)
OpenStudy (sonyalee77):
k.... ummm... -2x^3-4x^2-1=-3
64-16=-2?
OpenStudy (superdavesuper):
-2x^3-4x^2-1=-3
-2x^3-4x^2=-3+1
-2(x^3+2x^2)=-2
following me so far?
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OpenStudy (sonyalee77):
yup
OpenStudy (superdavesuper):
Are u sure? Can u go on from here? do it ONE step at a time plz
OpenStudy (superdavesuper):
next step is divided both left and right by -2...
OpenStudy (sonyalee77):
im so sorry im being time but i dnt get it..
OpenStudy (superdavesuper):
No need to be sorry....work w me here plz? we will go through it step by step. so divide the left and right by -2 plz?