Features of Functions Algebra

Is this graph a function or not a function? 

• Function 

• Not a Function

What are all the x-intercepts?

• (-2.55, 0), (2.55, 0)

• (-3,0), (-2,0), (2,0), (3,0)

• (0, 36)

• (-∞,∞)

Find x, if F(x) = 2.

• 4

• -2

• -6

• 8

What is F(-8)?

• 2

• -4

• -2

• 0

f(t) = −2t² + 1 f(−3) = ?

• 19

• 37

• −17

• −11

What are the green dots called?

• y-intercepts

• maximum

• minimum

• x-intercepts

On what interval is the graph decreasing?

• (∞, 3)

• (3, -∞)

• (3, ∞)

• (-∞, 3)

What is the y-intercept?

• None

• (0,3)

• (3,1)

• y = -1

Where is the function increasing?

• (-∞,5]

• (-∞,0]

• (-∞,2]

• [0,2]

What is the domain of the function?

• (-∞,5]

• (-∞,5)

• (-∞,2]

• (-∞,2)