Write equations and solve for x and y don't know what to do pls

Which equation could represent the relationship shown in the scatter plot? y=−3x−2 y=−3/4x+10 y=−2/3x+1 y=9x−12 scatter plot with x axis labeled variable x and y axis labeled variable y. points go from upper left to lower right.

Factor the gcf out of the polynomial 9x^6+6x^4+15x^3

What is the range of the inverse of the given function f(x)=√x-2