Refer to the question for the given function f(x) = 4x2+12x-40 and g(x) = x + 5. we need to calculate the (f+g)(x), (f-g)(x) , (fg)(x) and f/g (x) and also their domain.
Then to find (f+g)(x),
The domain of the function is that value of x for which the function is defined. And (f+g)(x) = 4x2+13x-35 is a polynomial function so it defined for all value of x.
Similarly, for (...
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