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Sam's house has an apple tree and an orange tree that yield an abundance of fruit. In the diagram below, the red region denotes his house, where   is the start point, and   is the endpoint. The apple tree is to the left of his house, and the orange tree is to its right. You can assume the trees are located on a single point, where the apple tree is at point  , and the orange tree is at point  . When a fruit falls from its tree, it lands   units of distance from its tree of origin along the  -axis. A negative value of   means the fruit fell   units to the tree's left, and a positive value of   means it falls   units to the tree's right. Given the value of   for   apples and   oranges, determine how many apples and oranges will fall on Sam's house (i.e., in the inclusive range  )? For example, Sam's house is between   and  . The apple tree ...