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Mathematics 7 Online
OpenStudy (anonymous):

f(9)=3x+4?

OpenStudy (immanuelv):

you need to plug in 9 for x sl its f(9)= 3x+4 f(9) = 3(9) +4 = 27+4

OpenStudy (anonymous):

then equals 31

OpenStudy (immanuelv):

yup!

OpenStudy (anonymous):

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OpenStudy (immanuelv):

yea its 31

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