What will the width of the paper need to be

7.(03.01 lc)which set represents the range of the function shown? {(-1, 5), (2,8), (5, 3), 13, -4)} (5 points){-1, 2, 5, 13){(5, -1), (8, 2), (3,5), (-4, 13)){-4, 3, 5, 8}{-4, -1, 2, 3, 5, 5, 8, 13}

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?