Suppose that the function y = f ( x) is increasing on the interval [1, 5 ].

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Suppose that the function y = f ( x) is increasing on the interval [−1, 5 ].

(a) Over what interval is the graph of y = f (x + 2) increasing?

(b) Over what interval is the graph of y = f (x − 5) increasing?

(c) Is the graph of y = −f (x) increasing, decreasing, or neither on the interval [−1, 5]?

(d) Is the graph of y = f (−x) increasing, decreasing, or neither on the interval [−5, 1]?

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