Complete the explanation of whether the graph represents a proportional or a nonproportional linear relationship

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Alogical argument that is presented in graphical form using boxes and arrows is called?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)