I NEED HELP ASAP Which is an expression for the area of △ABC?

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Find the solution of each of the following.

Which statement best explains whether the table represents a linear or nonlinear function? input (x) output (y) 2 5 4 10 6 15 8 20 it is a linear function because the input values are increasing. it is a nonlinear function because the output values are increasing. it is a linear function because there is a constant rate of change in both the input and output. it is a nonlinear function because there is a constant rate of change in both the input and output.