A moving sidewalk travels at a rate defined by the function f(x). A boy on the sidewalk is walking at a rate defined by the function g(x). The sum of the functions, h(x), represents the rate he is moving relative to his surroundings. Which could be the graph of the functions?

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Combinations and Separations of Functions

A moving sidewalk travels at a rate defined by the function f(x). A boy on the sidewalk is walking at a rate defined by the function g(x). The sum of the functions, h(x), represents the rate he is moving relative to his surroundings. Which could be the graph of the functions?

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