Figure out what x and y are. Please explain well!

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

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?

What is the measure of angle x? a.101 b.158 c.44 d.79