The functions f and g are defined as f(x) = x-7, g(x)=√√x+4. f a) Find the domain of f, g, f+g, f-g, fg, ff, - - g b) Find (f+g)(x), (f—g)(x), (fg)(x), (ff)(x), a) The domain of f is (Type your answer in interval notation.) and (-)(x), g (x), and (9) (x).
The functions f and g are defined as f(x) = x-7, g(x)=√√x+4. f a) Find the domain of f, g, f+g, f-g, fg, ff, - - g b) Find (f+g)(x), (f—g)(x), (fg)(x), (ff)(x), a) The domain of f is (Type your answer in interval notation.) and (-)(x), g (x), and (9) (x).
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter3: Functions
Section3.4: Operations On Functions
Problem 124E
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