Can someone please help me with this? What is the domain of the rational function f of x is equal to 2 x over the quantity 2 x cubed plus x squared minus 10 x end quantity

x is an element of all real numbers such that x is not equal to 0
x is an element of all real numbers such that x is not equal to 0 comma negative five halves comma 2
x is an element of all real numbers such that x is not equal to 0 comma five halves comma 2
x is an element of all real numbers such that x is not equal to negative five halves comma 2

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.