Write the fuction f(x)=2x^2 in vertex form

Which expression is equivalent to 2x^2+2x-4/2x^2-4x+2

The amount of energy it takes to lift a box might be a function of which of the following

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)