amplitude is indicated by A, vertical shift is indicated by D, and the range is between −A + D
and A + D. The range for this function, therefore, is −4 + 2 ≤ f(x) ≤ 4 + 2. Choice (A)
neglects the vertical shift of the graph; (B) subtracts rather than adding the vertical shift of
+D; (C) uses the horizontal rather than vertical shift value; and (E) gives the domain, not the
range of the function.
