(a) The top of a hill rises 509 feet above Checkpoint 1. What is the altitude of the top of the hill?
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The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Which of the following will form the composite function?

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0