Question

# Use the graph to

determine

**a.** open intervals on which the function is increasing, if any.

**b.** open intervals on which the function is decreasing, if any.

**c.** open intervals on which the function is constant, if any.

-5

-4

-3

-2

-1

1

2

3

4

5

-5

-4

-3

-2

-1

1

2

3

4

5

x

y

A coordinate system has a horizontal x-axis labeled from negative 5 to 5 in increments of 1 and a vertical y-axis labeled from negative 5 to 5 in increments 1. A parabola that opens downward has vertex (0, 1) and passes through the approximate points (negative 1, 0.8) and (1, 0.8).

**a.** Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

**A.**

The function is increasing on the interval(s)

nothing

.

(Type your answer in interval notation. Use a comma to separate answers as needed.)

**B.**

There is no interval on which the function is increasing.

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