Help pleasee!! I have a lot of assignments to do and I have to pass it tomorrow:( Read the instructions properly!

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)