Which functions could represent a reflection over the y-axis of the given function? check all that apply. g(x) = –(4)x g(x) = 0.5(4)–x g(x) = 2(4)x g(x) = x g(x) = –x

Write a corresponding real world problem to represent 2x - 125=400

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer