Does this graph represent a function? Why or why not? A. No, because it is not a straight line.
B. Yes, because it passes the horizontal line test.
C. No, because it fails the vertical line test.
D. Yes, because it passes the vertical line test.

What graph correctly matches the equation y equals two negative x

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.