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OpenStudy (anonymous):
let f(x)=-5x+4 and g(x)=6x-7. Find f(x)+g(x).
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OpenStudy (solomonzelman):
adding f(x)+g(x) means adding what they (these 2 functions) are equal to. or, (-5x+4)+ (6x-7) can you calculate that?
OpenStudy (anonymous):
-9x+13x?
OpenStudy (solomonzelman):
no
OpenStudy (anonymous):
do u foil it
OpenStudy (solomonzelman):
(-5x+4) + (6x-7) -5x+4+ 6x-7 -5x+ 6x-7+4 x - 3
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OpenStudy (solomonzelman):
see what I am doing here?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
a) -11x+3 b) x+3 C) -11x-11 d) x-11
OpenStudy (anonymous):
so would it be b
OpenStudy (solomonzelman):
all I know is that it would be x-3
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