Vladas believes that an equation with a squared term is never a function of x. Which equation can be used to show Vladas that his hypothesis is incorrect? x + y2 = 25
x2 – y = 25
x2 + y2 = 25
x2 – y2 = 25

How do you determine whether a relationship represented as as graph is linear or nonlinear

Find the domain and range of the following function f(x) = 51x - 21+ 4

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?