Polynomial Properties

• A.
• B.
• C.
• D.

The domain of a polynomial function is always (-∞, +∞).

• 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 are all the y-intercepts?

• (0, -6.25)
• (-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)→ ?

• -∞
• ∞

Is the leading coefficient positive or negative?

• +
• -

What is the range of this function?

• All real numbers.
• [2, infinity)
• [-2, infinity)
• [0, infinity)

What is the y-intercept of 
f(x)= 2x² + 4x + 6

• (6 , 0)
• (-6 , 0)
• (0, -6)
• (0 , 6)

Does this graph have a maximum or minimum value?

• maximum
• minimum
• neither
• both