Quick which of the following statements have the same result? explain each step in solving each one.   i. f(3) when f(x) = 3x + 4   ii. f−1(6) when f(x) = 4x−424x-42 iii. y + 5= 2y + 1

Could somebody me with this radical simplification?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.