Is point (20,15) on line j?

There isn't a graph so we can't solve it. If you don't know how to put an image on a question, click on the paperclip and you can upload a file

150.6

all i did was i multiplied 5.02 by 30

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.