Please help TT, i have the first two questions, but am stuck on the third one :D

Which graph shows a function with a range of all real numbers greater than or equal to -1

The green family is a family of six people. they have used 4,885.78 gallons of water so far this month. they cannot exceed 9,750.05 gallons per month during drought season. write an inequality to show how much water just one member of the family can use for the remainder of the month, assuming each family member uses the same amount of water every month.

How many zeros does the function f(x)=4x3-x2+1 have