If f(x)=4x+1 and g(x)=x^2-5 find (f-g) (x)?
回答 (1)
2016-05-01 6:03 am
(f-g) (x)=(4x+1)-(x^2-5)
=4x+1-x^2+5
=-x^2+4x+6
=4x+1-x^2+5
=-x^2+4x+6
收錄日期: 2021-04-25 13:38:57
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