Characteristics of Functions Practice

What is the domain of the function?

• (-∞, ∞)
• [2, -2]
• (-∞, -2), (2, ∞)
• Trick question

What is the range of the function?

• [0, - ∞)
• (-∞, 4]
• (2, -2)
• (-∞ , ∞ )

On what interval is the function INCREASING?

• (-∞ , 0)
• (0, ∞ )
• (-∞ , 4)
• (4, ∞ )

On what interval is the function DECREASING?

• (0, -∞ )
• (0, ∞ )
• (4, -∞ )
• (-∞ , ∞ )

What is the x-intercept(s) of the function?

• -2, 2
• 4
• 0
• All real numbers

This graph represents a function.

• True
• False

What are all the x-intercepts?

• (-2.55, 0), (2.55, 0)
• (-3,0), (-2,0), (2,0), (3,0)
• (0, 36)
• (-∞,∞)

What is the end behavior as x → -∞ f(x)→ ?

• -∞
• ∞

What is the end behavior as x → +∞, f(x)→ ?

• -∞
• ∞

What is the range of this quadratic function?

• All real numbers.
• [2, infinity)
• [4, infinity)
• (negative infinity, 4]