Interpreting a Polynomial

What is the decreasing interval(s) on the function shown?

Answer explanation

Which are intervals of increasing for the graph? Choose all that apply.

• (-∞, -3)

• (-3, 0)

• (0, 2.25)

• (2.25, ∞)

Answer explanation

Which are the intervals of decreasing for the graph? Choose all that apply.

• (-∞, 0)

• (0, 2)

• (2, ∞)

• (-∞, ∞)

Answer explanation

For what intervals of x is f(x) negative?

• x < -2 and -2 < x < 1

• x < 1

• -2 < x < 1

• x > 1

Answer explanation

For what intervals of x is f(x) positive?

• x<-7 and x>3

• -7<x<3

• x>1

• x<-6

Answer explanation

For what intervals of x is f(x) positive?

• -7 < x < 2 and x > 5

• -7 < x < 2

• x < -6 and x > 4

• -6 < x < -1

Answer explanation

Over which interval is the function decreasing?

• (0, 3)

• (13, 18)

• (3, 13)

• (.75, 2.5)

State the point where you identify the relative minimum on the graph?

• (–2, 0)

• (–1, 4)

• (1, 0)

• (3, 20)

Over which intervals is the function decreasing? (Check more than one answer) Remember to use the X VALUES only!!

• (–2.5, –2)

• (–2, 0)

• (0, 2)

• (2, 3)

Which points show the relative minimum on the graph?

• (0, 0)

• (–2, 16)

• (2, 16)

• (–2.5, 12)