Describe 11
Describe and correct the error in finding the difference function of (f-g) (x) of f(x) =(x²+3x-1) and g(x) =(x²+x+2)
(f-g) (x) =f(x)-g(x) =(x²+3x-1) - (x²+x+2)
=x²+3x-1 -x²+x+2
=x²-x²+3x+x-1+2
=4x+1
(f-g) (x) =f(x)-g(x) =(x²+3x-1) - (x²+x+2)
=x²+3x-1 -x²+x+2
=x²-x²+3x+x-1+2
=4x+1
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You need to know the following knowledge to solve this word math problem:
arithmeticbasic operations and conceptsGrade of the word problem
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