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increasing, decreasing, or constant. (Enter...

Determine the open intervals on which the function is increasing, decreasing, or constant. (Enter your answers using interval notation. If an answer does not exist, enter DNE.)

f(x) =x + 7, x ≤ 0

7, 0 < x ≤ 2

4x + 1, x > 2

increasing

decreasing

constant

f(x) =x + 7, x ≤ 0

7, 0 < x ≤ 2

4x + 1, x > 2

increasing

decreasing

constant

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