The domain of a radical function is the set of all x for which the radicand is positive. true or false?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alex’s percent error?

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75