Use the Graph of the Function Given Below to Estimate

question 15

Multiple Choice

Use the graph of the function given below to estimate the open intervals on which the function is increasing or decreasing. ​ ​

• A) increasing on and ; decreasing on
• B) increasing on and ; decreasing on
• C) increasing on ; decreasing on and
• D) increasing on and ; decreasing on
• E) increasing on and ; decreasing on

---

Definitions:

Auction Without Reserve

A type of auction in which the item for sale will be sold regardless of the bid amount, without any minimum price threshold.

Cash Register

A machine used in shops to calculate and record sales transactions and to store money.

Expressed Contract

A legally binding agreement where the terms are explicitly stated either orally or in writing.

Hula Hoop

A toy hoop that is twirled around the waist, limbs, or neck, primarily for exercise or entertainment.