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Mathematics 7 Online
OpenStudy (anonymous):

let f(x)=-5x+4 and g(x)=6x-7. Find f(x)+g(x).

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

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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