In class we are in chapter four. In chapter four section two we are doing operation on functions also known as notation. There are four different different types of function: sum of f and g: (f+g)(x)=f(x)+g(x)
difference of and g:(f -g)(x)=f(x)-g(x)
product of f ad g: (fxg)(x)=f(x
)xg(x)
Examples
f(x)=4x+1 g(x)=3-x
(f+g)(x)= (4x+1)+(3-x)= 3x+4
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