Given f(x)=7x-6 and… - QuestionCove

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Mathematics 38 Online

OpenStudy (anonymous):

Given f(x)=7x-6 and g(x)=3x what is f(3) - g(2)?

11 years ago

OpenStudy (anonymous):

this is what I got 7(3)-6=15 3(2)=6 15-6=9

11 years ago

OpenStudy (anonymous):

first, you substitute a 3 everywhere you see an x in the equation for f(x) and substitute a 2 for anywhere you see an x in equation g(x), then you subtract the first from the second. let me work it out and see if you're correct...

11 years ago

OpenStudy (anonymous):

that's right!

11 years ago

OpenStudy (anonymous):

cool thanks :)

11 years ago

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