Identify the slope as positive, negative, zero or undefined

How many roots does the graphed polynomial function have? 1-02

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32

In a grapefruit eating contest, sal ate 5 1/3 grapefruits in 2 minutes. if the world record is 7 1/6 grapefruits in 3 minutes, how many grapefruits would sal have had to eat in the next minute to tie the record