Characteristics of Graphs Alg 2

Over which interval is the function decreasing?

• (0, 3)

• (13, 18)

• (3, 13)

• (.75, 2.5)

Over which interval is the function decreasing?

• (–2, –1)

• (–1, 1)

• (1, 4)

What is the Domain?

• y ≥ 6

  [6,infinity)

• -10 ≤ x ≤ 6

  [-10,6]

• y≤ 6

  (-infinity, 6]

• All real numbers

What is the Range?

• y ≥ 6

• -10 ≤ y ≤ 6

• -10 ≤ x ≤ 6

Does this graph have line symmetry? If so, name the line.

• no line symmetry

• yes, x=2

• yes, y=2

• yes, x=0

Determine the domain and range of the function

• Domain: All real numbers

  Range: All real numbers

• Domain: x ≥ -4

  Range: All real numbers

• Domain: All real numbers

  Range: y ≥ -4

• Domain: -1 ≤ x ≤ 5

  Range: y ≥ -4

Where does the function have a negative interval?

The interval (-∞, 1) describes what interval?

• Negative Interval

• Increasing interval

• Positive Interval

• Decreasing Interval

What is the positive interval of the function?

When is this function increasing?

• −2.5 < x < 2.5
• 0 < x < 5
• 0 < x < 55
• −5 < x < 0