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In Exercises 75-82, express the given function h as a composition of two functions ƒ and g so that h(x) = (fog) (x). h(x) = (3x − 1)^4
3. Functions
Function Operations
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1:20 minutesOpen Question
Use the graphs of f and g to solve Exercises 83–90. 
Find (g-f) (-2).
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