What is the solution set of {x|x> -5} u {x|x< 5}. 1.all numbers except-5 and 5 2. the empty set. 3.all real numbers

answer:

idk lol

step-by-step explanation:

Answer is on Sunday the river depth decreases the most.

Step-by-step explanation:

Given that the depth of river changes

It is not given increase or decrease

But by convention, normally if positive sign for change means increase and negative sign means decrease.

Since Friday and Saturday show change by positive values namely 7/10 and 7/8 feet. we can say that change is increase

But On Sunday, the change is negative =-11/15

This implies 11/15 feet decreases

Hence this is the highest of all the three

Answer is on Sunday the river depth decreases the most.

(Because it is the only day where decrease takes place)