Asked by cade
How do u solve (f-g)(x) when f(x)=4x/7 +7 and g(x)=-6/x
Ok so its (f-g)(x)=4x/7 +7 - (-6/x)
But how do u simplify it from there?
Thanks!
Ok so its (f-g)(x)=4x/7 +7 - (-6/x)
But how do u simplify it from there?
Thanks!
Answers
Answered by
Steve
4x/7 + 7 + 6/x
That looks simple enough to me, but some folks like to have a single rational function:
multiply to get everything over a common denominator of 7x:
(4x^2 + 49x + 42)/7x
That looks simple enough to me, but some folks like to have a single rational function:
multiply to get everything over a common denominator of 7x:
(4x^2 + 49x + 42)/7x
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